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廣州在線ICT測試治具供應商

發布時間:    來源:四川精碳偉業環保科技有限責任公司   閱覽次數:33632次

如何保養ict測(ce)試針(zhen)(zhen)(zhen)?1.針(zhen)(zhen)(zhen)頭:再(zai)有(you)一(yi)些狀況(kuang)不是(shi)只(zhi)用(yong)(yong)刷子清(qing)潔就可(ke)以,因此用(yong)(yong)其他種(zhong)類的(de)溶劑或清(qing)潔化劑將會是(shi)之后(hou)的(de)替代方法(fa)。建議方法(fa)是(shi)只(zhi)要清(qing)潔針(zhen)(zhen)(zhen)頭,就是(shi)從冶(ye)具(ju)上(shang)(shang)移(yi)除測(ce)試針(zhen)(zhen)(zhen),捆在(zai)(zai)一(yi)起只(zhi)用(yong)(yong)針(zhen)(zhen)(zhen)頭泡(pao)在(zai)(zai)淺淺的(de)清(qing)潔劑中(zhong)大約五分種(zhong),用(yong)(yong)軟毛擦(ca)試,移(yi)除殘留物(wu),然后(hou)曬干(gan)它,這(zhe)樣(yang)就可(ke)以安裝回(hui)去繼續測(ce)試。2.環境保養:測(ce)試環境是(shi)引起測(ce)試針(zhen)(zhen)(zhen)臟的(de)主要因素,空氣在(zai)(zai)傳播中(zhong)的(de)污染(ran)物(wu),像灰塵(chen)會掉落在(zai)(zai)針(zhen)(zhen)(zhen)頭上(shang)(shang)引起接(jie)觸問題(ti),所以我們要對測(ce)試針(zhen)(zhen)(zhen)的(de)環境保養。ICT治具(ju)驗收審核標(biao)準:天板同(tong)底版結合是(shi)否穩定壓棒分布是(shi)否合理,是(shi)否有(you)可(ke)能(neng)壓到(dao)PCBA上(shang)(shang)零件線材。廣州在(zai)(zai)線ICT測(ce)試治具(ju)供應商

廣州在線ICT測試治具供應商,ICT治具

功(gong)能測(ce)(ce)(ce)(ce)(ce)(ce)(ce)試(shi)(shi)(shi)(shi)治(zhi)(zhi)(zhi)具和(he)ICT測(ce)(ce)(ce)(ce)(ce)(ce)(ce)試(shi)(shi)(shi)(shi)治(zhi)(zhi)(zhi)具的(de)區別(bie)是(shi)什(shen)么你知道嗎?制作原(yuan)理不(bu)同,功(gong)能測(ce)(ce)(ce)(ce)(ce)(ce)(ce)試(shi)(shi)(shi)(shi)治(zhi)(zhi)(zhi)具的(de)主(zhu)要考(kao)慮工(gong)件的(de)定位、緊固以及如(ru)何實現功(gong)能測(ce)(ce)(ce)(ce)(ce)(ce)(ce)試(shi)(shi)(shi)(shi);而ICT測(ce)(ce)(ce)(ce)(ce)(ce)(ce)試(shi)(shi)(shi)(shi)治(zhi)(zhi)(zhi)具根(gen)據電路(lu)(lu)板的(de)機械尺(chi)寸(cun)圖,把(ba)(ba)電路(lu)(lu)板上面的(de)DIP腳,測(ce)(ce)(ce)(ce)(ce)(ce)(ce)試(shi)(shi)(shi)(shi)點(dian)的(de)位置打(da)孔,然后插針(zhen),把(ba)(ba)電路(lu)(lu)板中的(de)網(wang)絡(luo)(NET)就是(shi)PCB走線,全部引出來(lai),達到外(wai)部來(lai)用(yong)儀器測(ce)(ce)(ce)(ce)(ce)(ce)(ce)試(shi)(shi)(shi)(shi)其內部是(shi)電路(lu)(lu)結構即可。其實不(bu)管是(shi)功(gong)能測(ce)(ce)(ce)(ce)(ce)(ce)(ce)試(shi)(shi)(shi)(shi)治(zhi)(zhi)(zhi)具還是(shi)ICT測(ce)(ce)(ce)(ce)(ce)(ce)(ce)試(shi)(shi)(shi)(shi)治(zhi)(zhi)(zhi)具都(dou)(dou)是(shi)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)試(shi)(shi)(shi)(shi)治(zhi)(zhi)(zhi)具下(xia)的(de)一個分類,使用(yong)他們的(de)目的(de)都(dou)(dou)是(shi)一樣(yang)的(de),為了(le)提高產品的(de)質量(liang)和(he)降低生產產品不(bu)良(liang)率。沈陽ICT自動化測(ce)(ce)(ce)(ce)(ce)(ce)(ce)試(shi)(shi)(shi)(shi)治(zhi)(zhi)(zhi)具品牌PCBA制作ICT治(zhi)(zhi)(zhi)具的(de)注意事項:盡量(liang)避免治(zhi)(zhi)(zhi)具雙面下(xia)針(zhen),較好將被測(ce)(ce)(ce)(ce)(ce)(ce)(ce)點(dian)放在同一面。

廣州在線ICT測試治具供應商,ICT治具

ICT測(ce)試治具檢驗標(biao)準:1.治具整體尺寸是(shi)否(fou)(fou)(fou)正(zheng)(zheng)(zheng)確(que)(que)(que):?*360*225450*360*200;2.牛角是(shi)否(fou)(fou)(fou)正(zheng)(zheng)(zheng)確(que)(que)(que):34PIN64PIN96PIN;3.牛角顏(yan)色(se)(se)是(shi)否(fou)(fou)(fou)正(zheng)(zheng)(zheng)確(que)(que)(que)::藍色(se)(se)灰色(se)(se)黑(hei)色(se)(se);4.壓(ya)(ya)棒是(shi)否(fou)(fou)(fou)正(zheng)(zheng)(zheng)確(que)(que)(que):是(shi)否(fou)(fou)(fou)已(yi)避開零(ling)件;5.壓(ya)(ya)棒圖是(shi)否(fou)(fou)(fou)與天板(ban)(ban)一致;高度是(shi)否(fou)(fou)(fou)正(zheng)(zheng)(zheng)確(que)(que)(que);6.過高零(ling)件相(xiang)對天板(ban)(ban)位(wei)置是(shi)否(fou)(fou)(fou)銑凹槽(cao);7.載板(ban)(ban)銑槽(cao)是(shi)否(fou)(fou)(fou)正(zheng)(zheng)(zheng)確(que)(que)(que),未銑槽(cao)部(bu)分是(shi)否(fou)(fou)(fou)會壓(ya)(ya)零(ling)件;8.板(ban)(ban)/載板(ban)(ban)上下(xia)活動(dong)是(shi)否(fou)(fou)(fou)順(shun)暢(chang)且無(wu)(wu)異(yi)聲(sheng);9.探針(zhen)(zhen)上下(xia)活動(dong)是(shi)否(fou)(fou)(fou)順(shun)暢(chang),無(wu)(wu)歪斜,摩(mo)擦情形;10.套管(guan)高度是(shi)否(fou)(fou)(fou)正(zheng)(zheng)(zheng)確(que)(que)(que)(下(xia)測(ce)壓(ya)(ya)縮2/3,上測(ce)壓(ya)(ya)縮1/3~1/2);11.TestJetSensor是(shi)否(fou)(fou)(fou)良好;12.探針(zhen)(zhen)針(zhen)(zhen)型是(shi)否(fou)(fou)(fou)正(zheng)(zheng)(zheng)確(que)(que)(que),載板(ban)(ban)有無(wu)(wu)阻礙(ai)探針(zhen)(zhen)活動(dong);13.PCB板(ban)(ban)壓(ya)(ya)平(ping)時(shi)是(shi)否(fou)(fou)(fou)無(wu)(wu)探針(zhen)(zhen)頭(tou)露出(chu)PCB板(ban)(ban)面;14.機(ji)臺下(xia)壓(ya)(ya)時(shi)針(zhen)(zhen)床是(shi)否(fou)(fou)(fou)平(ping)整且無(wu)(wu)異(yi)聲(sheng)。

ICT測(ce)(ce)(ce)試(shi)(shi)(shi)(shi)(shi)(shi)治(zhi)(zhi)(zhi)具(ju)(ju)(ju)是(shi)ICT測(ce)(ce)(ce)試(shi)(shi)(shi)(shi)(shi)(shi)儀(yi)的(de)一種針(zhen)床,ICT測(ce)(ce)(ce)試(shi)(shi)(shi)(shi)(shi)(shi)儀(yi)也叫在(zai)線(xian)測(ce)(ce)(ce)試(shi)(shi)(shi)(shi)(shi)(shi)儀(yi)主要用(yong)于組裝電(dian)(dian)(dian)路(lu)(lu)板(ban)(ban)(PCBA)的(de)測(ce)(ce)(ce)試(shi)(shi)(shi)(shi)(shi)(shi)。這(zhe)里的(de)“在(zai)線(xian)”,主要指電(dian)(dian)(dian)子元(yuan)器件(jian)(jian)在(zai)線(xian)路(lu)(lu)上(或者說在(zai)電(dian)(dian)(dian)路(lu)(lu)上)。在(zai)線(xian)測(ce)(ce)(ce)試(shi)(shi)(shi)(shi)(shi)(shi)是(shi)一種不斷開(kai)電(dian)(dian)(dian)路(lu)(lu),不拆下(xia)元(yuan)器件(jian)(jian)管腳(jiao)的(de)測(ce)(ce)(ce)試(shi)(shi)(shi)(shi)(shi)(shi)技術(shu),“在(zai)線(xian)”反(fan)映了ICT重在(zai)通過對在(zai)線(xian)路(lu)(lu)上的(de)元(yuan)器件(jian)(jian)或開(kai)短路(lu)(lu)狀(zhuang)態的(de)測(ce)(ce)(ce)試(shi)(shi)(shi)(shi)(shi)(shi)來檢測(ce)(ce)(ce)電(dian)(dian)(dian)路(lu)(lu)板(ban)(ban)的(de)組裝問題。主要測(ce)(ce)(ce)試(shi)(shi)(shi)(shi)(shi)(shi)電(dian)(dian)(dian)路(lu)(lu)板(ban)(ban)的(de)開(kai)短路(lu)(lu)、電(dian)(dian)(dian)阻、電(dian)(dian)(dian)容、電(dian)(dian)(dian)感、二(er)極(ji)管、三極(ji)管、電(dian)(dian)(dian)晶體、IC等,具(ju)(ju)(ju)有操作簡單、快(kuai)捷迅(xun)速、故(gu)障定位準確等特點,ICT測(ce)(ce)(ce)試(shi)(shi)(shi)(shi)(shi)(shi)治(zhi)(zhi)(zhi)具(ju)(ju)(ju)可進(jin)行(xing)模擬器件(jian)(jian)功能和數字(zi)器件(jian)(jian)邏輯功能測(ce)(ce)(ce)試(shi)(shi)(shi)(shi)(shi)(shi),故(gu)障覆蓋率高,對每種單板(ban)(ban)需制作專門(men)的(de)針(zhen)床,這(zhe)個(ge)針(zhen)床在(zai)工(gong)業生產上就叫它ICT測(ce)(ce)(ce)試(shi)(shi)(shi)(shi)(shi)(shi)治(zhi)(zhi)(zhi)具(ju)(ju)(ju)。其實不管是(shi)功能測(ce)(ce)(ce)試(shi)(shi)(shi)(shi)(shi)(shi)治(zhi)(zhi)(zhi)具(ju)(ju)(ju)還是(shi)ICT測(ce)(ce)(ce)試(shi)(shi)(shi)(shi)(shi)(shi)治(zhi)(zhi)(zhi)具(ju)(ju)(ju)都(dou)是(shi)測(ce)(ce)(ce)試(shi)(shi)(shi)(shi)(shi)(shi)治(zhi)(zhi)(zhi)具(ju)(ju)(ju)下(xia)的(de)一個(ge)分(fen)類。

廣州在線ICT測試治具供應商,ICT治具

ICT測(ce)(ce)(ce)(ce)(ce)(ce)(ce)試(shi)(shi)(shi)治(zhi)(zhi)具(ju)的(de)(de)盲點:(就(jiu)是ICT無(wu)法(fa)準(zhun)(zhun)確(que)(que)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)量(liang)的(de)(de)零件(jian))1,當(dang)(dang)小(xiao)電(dian)(dian)(dian)(dian)(dian)(dian)容(rong)與大(da)(da)電(dian)(dian)(dian)(dian)(dian)(dian)容(rong)并聯(lian)時(shi)(shi),小(xiao)電(dian)(dian)(dian)(dian)(dian)(dian)容(rong)無(wu)法(fa)準(zhun)(zhun)確(que)(que)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)量(liang)。2,當(dang)(dang)小(xiao)電(dian)(dian)(dian)(dian)(dian)(dian)容(rong)與小(xiao)電(dian)(dian)(dian)(dian)(dian)(dian)阻并聯(lian)時(shi)(shi),小(xiao)電(dian)(dian)(dian)(dian)(dian)(dian)容(rong)無(wu)法(fa)被準(zhun)(zhun)確(que)(que)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)量(liang)。3,當(dang)(dang)大(da)(da)電(dian)(dian)(dian)(dian)(dian)(dian)阻與大(da)(da)電(dian)(dian)(dian)(dian)(dian)(dian)容(rong)并聯(lian)時(shi)(shi),大(da)(da)電(dian)(dian)(dian)(dian)(dian)(dian)阻無(wu)法(fa)被準(zhun)(zhun)確(que)(que)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)量(liang)。4,當(dang)(dang)小(xiao)電(dian)(dian)(dian)(dian)(dian)(dian)感(gan)同二(er)極(ji)(ji)管(guan)(guan)并聯(lian)時(shi)(shi),二(er)極(ji)(ji)管(guan)(guan)無(wu)法(fa)準(zhun)(zhun)確(que)(que)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)量(liang)。ICTTest主要(yao)是靠測(ce)(ce)(ce)(ce)(ce)(ce)(ce)試(shi)(shi)(shi)探針接觸PCBlayout出來(lai)(lai)的(de)(de)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)試(shi)(shi)(shi)點來(lai)(lai)檢測(ce)(ce)(ce)(ce)(ce)(ce)(ce),其主要(yao)的(de)(de)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)試(shi)(shi)(shi)內容(rong)有以下幾點:1,PCBA的(de)(de)線(xian)路開路,短路;2,電(dian)(dian)(dian)(dian)(dian)(dian)阻測(ce)(ce)(ce)(ce)(ce)(ce)(ce)試(shi)(shi)(shi)(歐姆(mu)定(ding)律R=U/I);3,電(dian)(dian)(dian)(dian)(dian)(dian)容(rong),電(dian)(dian)(dian)(dian)(dian)(dian)感(gan)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)試(shi)(shi)(shi):a.恒定(ding)交(jiao)流(liu)電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)源(yuan)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)電(dian)(dian)(dian)(dian)(dian)(dian)容(rong):交(jiao)流(liu)電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)一定(ding)Vs,Vs/Ix=Zc=1/2πfCx得:Cx=Ix/2πfVs;b.直(zhi)流(liu)恒定(ding)電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)源(yuan)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)電(dian)(dian)(dian)(dian)(dian)(dian)容(rong):C=ΔT/ΔV*I;c.交(jiao)恒定(ding)流(liu)電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)源(yuan)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)電(dian)(dian)(dian)(dian)(dian)(dian)感(gan):Vs/Ix=Zl=2πfLx得Lx=Vs/2πfIx將電(dian)(dian)(dian)(dian)(dian)(dian)感(gan)作為跳線(xian)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)量(liang)。4,二(er)極(ji)(ji)管(guan)(guan),三極(ji)(ji)管(guan)(guan)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)試(shi)(shi)(shi):a.利用(yong)二(er)極(ji)(ji)管(guan)(guan)正向導通(tong)壓(ya)降,硅管(guan)(guan)約0.7V,鍺管(guan)(guan)約0.2V,反向截止電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)無(wu)窮大(da)(da)特(te)性進行(xing)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)試(shi)(shi)(shi);b.對于穩壓(ya)二(er)極(ji)(ji)管(guan)(guan)可以測(ce)(ce)(ce)(ce)(ce)(ce)(ce)試(shi)(shi)(shi)其正向導通(tong)PN結壓(ya)降,同時(shi)(shi)可以測(ce)(ce)(ce)(ce)(ce)(ce)(ce)試(shi)(shi)(shi)其反向穩壓(ya)壓(ya)降;c.把(ba)三極(ji)(ji)管(guan)(guan)兩個PN結作為兩個二(er)極(ji)(ji)管(guan)(guan)進行(xing)測(ce)(ce)(ce)(ce)(ce)(ce)(ce)量(liang)。ICT測(ce)(ce)(ce)(ce)(ce)(ce)(ce)試(shi)(shi)(shi)治(zhi)(zhi)具(ju)檢驗標(biao)準(zhun)(zhun):周(zhou)邊是否刮除(chu)利角,需專門雙邊例(li)角工(gong)具(ju)。沈(shen)陽ICT自動化測(ce)(ce)(ce)(ce)(ce)(ce)(ce)試(shi)(shi)(shi)治(zhi)(zhi)具(ju)品牌(pai)

ICT測試治具是由針(zhen)板(ban)、載板(ban)、天板(ban)組成的(de)。廣(guang)州在線ICT測試治具供應商

如(ru)(ru)何做ICT測(ce)(ce)(ce)(ce)試(shi)(shi)(shi)治(zhi)(zhi)具(ju)(ju)的(de)(de)預防性保(bao)(bao)養計劃:ICT測(ce)(ce)(ce)(ce)試(shi)(shi)(shi)是(shi)工(gong)廠(chang)測(ce)(ce)(ce)(ce)試(shi)(shi)(shi)過程中(zhong)的(de)(de)道測(ce)(ce)(ce)(ce)試(shi)(shi)(shi)工(gong)序,對于(yu)工(gong)廠(chang)產品質量的(de)(de)提高有(you)很(hen)大的(de)(de)影響,ict測(ce)(ce)(ce)(ce)試(shi)(shi)(shi)治(zhi)(zhi)具(ju)(ju)在實際的(de)(de)使(shi)用(yong)中(zhong),用(yong)量也是(shi)很(hen)大的(de)(de),如(ru)(ru)何對ict測(ce)(ce)(ce)(ce)試(shi)(shi)(shi)治(zhi)(zhi)具(ju)(ju)進(jin)行(xing)保(bao)(bao)養來有(you)效(xiao)的(de)(de)減少工(gong)廠(chang)的(de)(de)測(ce)(ce)(ce)(ce)試(shi)(shi)(shi)成本呢?下面來為(wei)大家介紹ict測(ce)(ce)(ce)(ce)試(shi)(shi)(shi)治(zhi)(zhi)具(ju)(ju)如(ru)(ru)何進(jin)行(xing)預防性保(bao)(bao)養計劃。1、被測(ce)(ce)(ce)(ce)板(ban)應準確對準定位銷后(hou)(hou)輕置(zhi)于(yu)測(ce)(ce)(ce)(ce)試(shi)(shi)(shi)針(zhen)(zhen)(zhen)床(chuang)(chuang)上,嚴(yan)禁在測(ce)(ce)(ce)(ce)試(shi)(shi)(shi)針(zhen)(zhen)(zhen)床(chuang)(chuang)上拖帶(dai)被測(ce)(ce)(ce)(ce)板(ban);2、被測(ce)(ce)(ce)(ce)板(ban)元件管腳長度小于(yu)2mm;3、測(ce)(ce)(ce)(ce)試(shi)(shi)(shi)針(zhen)(zhen)(zhen)床(chuang)(chuang)上壓板(ban)壓桿和(he)測(ce)(ce)(ce)(ce)試(shi)(shi)(shi)針(zhen)(zhen)(zhen)床(chuang)(chuang)定位銷一有(you)松動(dong)應立即旋緊(jin);4、每日測(ce)(ce)(ce)(ce)試(shi)(shi)(shi)完畢(bi)后(hou)(hou)用(yong)銅刷輕輕全(quan)部(bu)測(ce)(ce)(ce)(ce)試(shi)(shi)(shi)探針(zhen)(zhen)(zhen)針(zhen)(zhen)(zhen)尖(不建(jian)議經常(chang)刷,這(zhe)樣(yang)容易損壞探針(zhen)(zhen)(zhen)鍍(du)金層(ceng));5、每日測(ce)(ce)(ce)(ce)試(shi)(shi)(shi)完畢(bi)后(hou)(hou)用(yong)吹塵頭吹去針(zhen)(zhen)(zhen)床(chuang)(chuang)上雜物,并用(yong)毛(mao)刷刷凈針(zhen)(zhen)(zhen)床(chuang)(chuang);6、嚴(yan)禁將(加(jia)過電)進(jin)行(xing)過功能測(ce)(ce)(ce)(ce)試(shi)(shi)(shi)后(hou)(hou)的(de)(de)待測(ce)(ce)(ce)(ce)板(ban)用(yong)在線(xian)測(ce)(ce)(ce)(ce)試(shi)(shi)(shi)儀測(ce)(ce)(ce)(ce)。廣州在線(xian)ICT測(ce)(ce)(ce)(ce)試(shi)(shi)(shi)治(zhi)(zhi)具(ju)(ju)供應商

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云南耐腐(fu)蝕PEEK晶片夾源(yuan)頭廠家

PE 等 57 人贊同該回答

PEEK吸筆(bi)頭,PEEK晶(jing)片夾(jia),PEEK晶(jing)圓(yuan)鑷子(zi),PEEK晶(jing)圓(yuan)處理工具(ju),采用耐(nai)(nai)高溫、防靜電的PEEK做接(jie)觸的真空(kong)(kong)(kong)吸筆(bi)盤面,后(hou)接(jie)真空(kong)(kong)(kong)發生器(qi),可以(yi)持續性的保持良好(hao)的真空(kong)(kong)(kong)來源,同時PEEK具(ju)有(you)耐(nai)(nai)高溫、耐(nai)(nai)磨損 。

TPD4E001DBVR原裝現貨 集成電路
第1樓
我司 等 77 人贊(zan)同該回答(da)

我司(si)主營Ti集成電路)產(chan)品型號:ADC128D818CIMTX,AM26LS32AIDR,BQ27510DRZR-G2,CD4070BM96,DAC7513N,DS90LV001TMX,INA217A 。

濟南TYPE-C連接器品牌
第2樓
散熱(re) 等 42 人贊(zan)同該(gai)回答(da)

散(san)(san)熱通(tong)(tong)孔(kong)22的(de)上(shang)孔(kong)口位于(yu)中(zhong)(zhong)間(jian)連接(jie)部8的(de)上(shang)表面,散(san)(san)熱通(tong)(tong)孔(kong)22的(de)下(xia)孔(kong)口位于(yu)中(zhong)(zhong)間(jian)連接(jie)部8的(de)下(xia)表面。其中(zhong)(zhong),所(suo)述前連接(jie)部9開設有第(di)二(er)散(san)(san)熱通(tong)(tong)孔(kong)23,第(di)二(er)散(san)(san)熱通(tong)(tong)孔(kong)23的(de)上(shang)孔(kong)口位于(yu)前安(an)裝槽21內,第(di)二(er)散(san)(san)熱通(tong)(tong)孔(kong)23的(de)下(xia) 。

廣東取石網籃的效果
第3樓
膽囊 等 84 人贊同該回答

膽(dan)囊(nang)結石是(shi)(shi)臨床(chuang)上(shang)一種常見的膽(dan)道良性疾病,外科(ke)手術(shu)行膽(dan)囊(nang)切(qie)除是(shi)(shi)目前氵臺療膽(dan)囊(nang)結石為有效的方法,但(dan)膽(dan)囊(nang)切(qie)除術(shu)后膽(dan)總管(guan)結石患(huan)者(zhe)不在少數(shu),既往文獻報道其(qi)發生率達12%~18%,臨床(chuang)上(shang)常表現為月復痛(tong)、發熱、黃疸 。

可控硅交流調功器
第4樓
調功 等(deng) 57 人(ren)贊同該回答

調功器(qi)(qi)電(dian)(dian)壓調整器(qi)(qi)發展歷史  1900~1920年間,出現振動(dong)式和(he)分段(duan)電(dian)(dian)阻式電(dian)(dian)壓調整器(qi)(qi)。它主要利用電(dian)(dian)動(dong)機(ji)械力的(de)作用逐段(duan)地改變直流勵磁回路的(de)電(dian)(dian)阻值,以調節(jie)發電(dian)(dian)機(ji)的(de)輸出電(dian)(dian)壓。20年代,出 。

自動化UV傳感器模板
第5樓
紫外(wai) 等 49 人(ren)贊同該回答(da)

紫(zi)外(wai)線(xian)指(zhi)數為0、1、2時,表(biao)示太(tai)(tai)陽(yang)輻射中(zhong)的(de)紫(zi)外(wai)線(xian)量(liang)小,這個量(liang)對人(ren)體(ti)基本上沒有影響;紫(zi)外(wai)線(xian)指(zhi)數為3或(huo)4時,表(biao)示太(tai)(tai)陽(yang)輻射中(zhong)的(de)紫(zi)外(wai)線(xian)量(liang)是(shi)比較低(di)的(de),對人(ren)體(ti)的(de)可能(neng)影響也是(shi)比較小的(de);紫(zi)外(wai)線(xian)指(zhi)數為5和(he)6時,表(biao)示紫(zi)外(wai) 。

佛山精密無鉛回流焊廠家電話
第6樓
多段 等 58 人(ren)贊(zan)同該回(hui)答

多(duo)段(duan)式(shi)助(zhu)焊(han)劑回(hui)收(shou)系統具有以(yi)下特點:1、高(gao)回(hui)收(shou)率(lv):通(tong)過多(duo)個階段(duan)的助(zhu)焊(han)劑涂敷和(he)回(hui)收(shou),可(ke)以(yi)更有效地收(shou)集和(he)利用助(zhu)焊(han)劑,提高(gao)回(hui)收(shou)率(lv),減少浪費。2、環保性:多(duo)段(duan)式(shi)助(zhu)焊(han)劑回(hui)收(shou)系統可(ke)以(yi)減少助(zhu)焊(han)劑的污染(ran),通(tong)過合(he)理的涂敷 。

Q彈爽脆純肉腸廠家直銷
第7樓
潮汕 等 56 人贊同該回答

潮(chao)汕純肉(rou)(rou)腸(chang)不僅是一(yi)道美食(shi)(shi),還(huan)具(ju)有濃厚的(de)(de)文化(hua)價值。它是潮(chao)汕地(di)區的(de)(de)傳(chuan)統特色美食(shi)(shi)之一(yi),表示著當地(di)人(ren)的(de)(de)飲食(shi)(shi)文化(hua)和生(sheng)活(huo)方式。隨著旅游業的(de)(de)發展和文化(hua)交流的(de)(de)加(jia)強(qiang),潮(chao)汕純肉(rou)(rou)腸(chang)也逐漸走(zou)向了(le)全國和世界,成(cheng)為了(le)一(yi)種具(ju)有普遍(bian) 。

珠海激光分板機廠家
第8樓
分板 等 17 人贊同該回(hui)答(da)

分板(ban)機(ji)的(de)(de)(de)應用(yong)范(fan)圍廣,適用(yong)于各種不同類型和尺(chi)寸的(de)(de)(de)電路板(ban)。無論是小型PCB板(ban)還是大型多(duo)層板(ban),分板(ban)機(ji)都能(neng)提供精確、高(gao)效的(de)(de)(de)切(qie)割服務 分板(ban)機(ji)的(de)(de)(de)作用(yong)還包括提高(gao)產品質量和穩定(ding)性。通過高(gao)精度的(de)(de)(de)切(qie)割和分離,分板(ban)機(ji)能(neng)夠(gou)減 。

奉城公共墓地設計
第9樓
經營 等 27 人(ren)贊同(tong)該(gai)回答(da)

經(jing)營性墓(mu)(mu)地(di)是以盈利(li)(li)為目(mu)的的墓(mu)(mu)地(di),與傳統的公益性墓(mu)(mu)地(di)不同,它們提供有償運營和增值服務,以獲(huo)得(de)更高的收益。這種盈利(li)(li)模式的中心(xin)在于墓(mu)(mu)地(di)的銷售和管(guan)理。經(jing)營性墓(mu)(mu)地(di)通常會(hui)采用多種銷售渠道,如線(xian)上線(xian)下銷售、代理銷售 。

深圳汽車五金機加工大概多少錢
第10樓
機械 等 64 人贊同該回答

機械加工(gong)(gong)的(de)(de)工(gong)(gong)藝(yi)流程(cheng)一般包括以下幾個步驟:1. 設(she)(she)計和(he)制定加工(gong)(gong)方(fang)案:根據零部件(jian)的(de)(de)要求和(he)設(she)(she)計圖紙,確定加工(gong)(gong)工(gong)(gong)藝(yi)和(he)加工(gong)(gong)順序。2. 準備(bei)工(gong)(gong)作:包括選擇(ze)合適的(de)(de)材料(liao)、提(ti)前準備(bei)必要的(de)(de)工(gong)(gong)裝(zhuang)和(he)刀具等。3. 機床設(she)(she)備(bei)設(she)(she)置 。

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