上海照明母線槽銷售廠家
什(shen)么是(shi)(shi)(shi)母(mu)(mu)(mu)(mu)線(xian)(xian)(xian)(xian)(xian)槽(cao)(cao)?母(mu)(mu)(mu)(mu)線(xian)(xian)(xian)(xian)(xian)槽(cao)(cao)有哪些優點和用(yong)途(tu)?母(mu)(mu)(mu)(mu)線(xian)(xian)(xian)(xian)(xian)槽(cao)(cao)擁有比電(dian)(dian)(dian)纜(lan)電(dian)(dian)(dian)線(xian)(xian)(xian)(xian)(xian)更高的(de)安全性,在(zai)(zai)建筑中成為了供(gong)電(dian)(dian)(dian)主干線(xian)(xian)(xian)(xian)(xian)。希望(wang)小(xiao)編整(zheng)理的(de)關于(yu)母(mu)(mu)(mu)(mu)線(xian)(xian)(xian)(xian)(xian)槽(cao)(cao)優點和用(yong)途(tu)的(de)內(nei)容(rong)可(ke)(ke)以給(gei)大家(jia)帶來幫助(zhu),大家(jia)也要多(duo)多(duo)關注(zhu)我們的(de)網站(zhan)哦。本期(qi)整(zheng)理一些配(pei)電(dian)(dian)(dian)母(mu)(mu)(mu)(mu)線(xian)(xian)(xian)(xian)(xian)與(yu)(yu)母(mu)(mu)(mu)(mu)線(xian)(xian)(xian)(xian)(xian)槽(cao)(cao)的(de)相關知識(shi),建筑內(nei)的(de)供(gong)配(pei)電(dian)(dian)(dian)系統母(mu)(mu)(mu)(mu)線(xian)(xian)(xian)(xian)(xian)是(shi)(shi)(shi)繞不開的(de),與(yu)(yu)電(dian)(dian)(dian)纜(lan)一樣重要,而且嚴格來說(shuo),成套的(de)母(mu)(mu)(mu)(mu)線(xian)(xian)(xian)(xian)(xian)槽(cao)(cao)是(shi)(shi)(shi)屬于(yu)電(dian)(dian)(dian)氣設備而不是(shi)(shi)(shi)線(xian)(xian)(xian)(xian)(xian)纜(lan)類材料呢,歡迎閱(yue)讀:配(pei)變(bian)電(dian)(dian)(dian)所(suo)的(de)母(mu)(mu)(mu)(mu)線(xian)(xian)(xian)(xian)(xian)是(shi)(shi)(shi)什(shen)么意思?配(pei)變(bian)電(dian)(dian)(dian)所(suo)即配(pei)電(dian)(dian)(dian)房內(nei)的(de)母(mu)(mu)(mu)(mu)線(xian)(xian)(xian)(xian)(xian)一般位(wei)裸母(mu)(mu)(mu)(mu)線(xian)(xian)(xian)(xian)(xian),也可(ke)(ke)以安裝(zhuang)在(zai)(zai)槽(cao)(cao)架內(nei),即為母(mu)(mu)(mu)(mu)線(xian)(xian)(xian)(xian)(xian)槽(cao)(cao),但與(yu)(yu)后面說(shuo)的(de)密(mi)封式密(mi)集型成套母(mu)(mu)(mu)(mu)線(xian)(xian)(xian)(xian)(xian)槽(cao)(cao)不同,需注(zhu)意區別(bie)。空氣型母(mu)(mu)(mu)(mu)線(xian)(xian)(xian)(xian)(xian)槽(cao)(cao)由于(yu)依(yi)靠空氣對流(liu)來散(san)熱,所(suo)以散(san)熱效果較差,因此適合小(xiao)規(gui)格電(dian)(dian)(dian)流(liu)供(gong)電(dian)(dian)(dian)使用(yong)。上(shang)海照明母(mu)(mu)(mu)(mu)線(xian)(xian)(xian)(xian)(xian)槽(cao)(cao)銷售廠家(jia)
母(mu)(mu)(mu)(mu)線(xian)(xian)(xian)(xian)槽(cao)(cao)是電力系統(tong)中(zhong)傳輸大(da)電流的(de)(de)重要組件,其(qi)安全性(xing)和(he)(he)可(ke)靠(kao)性(xing)對于電力系統(tong)的(de)(de)正常運行(xing)至關重要。在(zai)母(mu)(mu)(mu)(mu)線(xian)(xian)(xian)(xian)槽(cao)(cao)的(de)(de)設計中(zhong),需(xu)要考慮到電流的(de)(de)傳輸能(neng)力和(he)(he)熱(re)量的(de)(de)散發(fa)。母(mu)(mu)(mu)(mu)線(xian)(xian)(xian)(xian)槽(cao)(cao)的(de)(de)截面(mian)積和(he)(he)材料選(xuan)擇(ze)應能(neng)夠承(cheng)受所需(xu)的(de)(de)電流負荷,并且能(neng)夠有(you)效(xiao)地散發(fa)產生的(de)(de)熱(re)量,以防止過熱(re)引(yin)發(fa)火災等(deng)安全事故。此外(wai),母(mu)(mu)(mu)(mu)線(xian)(xian)(xian)(xian)槽(cao)(cao)的(de)(de)結構設計也應考慮到可(ke)靠(kao)性(xing),確保其(qi)能(neng)夠承(cheng)受外(wai)部(bu)環境的(de)(de)振動、沖擊和(he)(he)負荷變(bian)化等(deng)因素。然后,在(zai)母(mu)(mu)(mu)(mu)線(xian)(xian)(xian)(xian)槽(cao)(cao)的(de)(de)材料選(xuan)擇(ze)方面(mian),應選(xuan)擇(ze)具(ju)有(you)良好(hao)導電性(xing)和(he)(he)耐腐(fu)蝕(shi)性(xing)的(de)(de)材料。常見的(de)(de)母(mu)(mu)(mu)(mu)線(xian)(xian)(xian)(xian)槽(cao)(cao)材料包括銅、鋁和(he)(he)銅鋁復合材料等(deng),這些材料具(ju)有(you)良好(hao)的(de)(de)導電性(xing)能(neng)和(he)(he)抗腐(fu)蝕(shi)能(neng)力,能(neng)夠確保電流的(de)(de)穩(wen)定傳輸和(he)(he)長(chang)期(qi)可(ke)靠(kao)運行(xing)。北京(jing)封(feng)閉式母(mu)(mu)(mu)(mu)線(xian)(xian)(xian)(xian)槽(cao)(cao)工作原理母(mu)(mu)(mu)(mu)線(xian)(xian)(xian)(xian)槽(cao)(cao)可(ke)以減少電力系統(tong)的(de)(de)電壓波動。
母(mu)線(xian)槽(cao)有(you)哪些類型?強度(du)高(gao)封閉式(shi)母(mu)線(xian)槽(cao)(CFW)其(qi)工藝制造不(bu)受板材(cai)限制,外殼(ke)做成瓦溝形式(shi),使母(mu)線(xian)機械強度(du)增加,母(mu)線(xian)水平段(duan)可生產(chan)(chan)至13m長。由于外殼(ke)做成瓦溝形式(shi),坑(keng)溝位(wei)置有(you)意(yi)將母(mu)線(xian)分隔固定,母(mu)線(xian)之間(jian)(jian)有(you)18mm的(de)間(jian)(jian)距,線(xian)間(jian)(jian)通風良好,使母(mu)線(xian)槽(cao)的(de)防潮和散(san)熱功能有(you)明顯的(de)提高(gao),比較適應(ying)南方氣候;由于線(xian)間(jian)(jian)有(you)一定的(de)空隙,使導(dao)線(xian)的(de)溫升(sheng)下降,這(zhe)樣(yang)就提高(gao)了過載能力,并減少了磁振蕩噪聲。但它產(chan)(chan)生的(de)雜散(san)電(dian)流及感抗要比密(mi)集型母(mu)線(xian)槽(cao)大得多,因(yin)此在同規格比較時,它的(de)導(dao)電(dian)排(pai)截面必須比密(mi)集絕緣插(cha)接母(mu)線(xian)槽(cao)大。
母(mu)(mu)(mu)(mu)線(xian)(xian)(xian)的(de)概念(nian):母(mu)(mu)(mu)(mu)線(xian)(xian)(xian)(bus line)指用高(gao)導(dao)電(dian)(dian)(dian)率的(de)銅(tong)(銅(tong)排(pai))、鋁(lv)質材料制成的(de),用以傳輸(shu)電(dian)(dian)(dian)能(neng),具(ju)有(you)匯(hui)集(ji)(ji)和(he)分(fen)配(pei)電(dian)(dian)(dian)力能(neng)力的(de)產品。電(dian)(dian)(dian)站(zhan)或變(bian)(bian)電(dian)(dian)(dian)站(zhan)輸(shu)送(song)電(dian)(dian)(dian)能(neng)用的(de)總導(dao)線(xian)(xian)(xian)。通(tong)過它,把發電(dian)(dian)(dian)機、變(bian)(bian)壓器或整流器輸(shu)出的(de)電(dian)(dian)(dian)能(neng)輸(shu)送(song)給各(ge)個用戶(hu)或其他變(bian)(bian)電(dian)(dian)(dian)所。在電(dian)(dian)(dian)力系統中(zhong),母(mu)(mu)(mu)(mu)線(xian)(xian)(xian)將配(pei)電(dian)(dian)(dian)裝(zhuang)置中(zhong)的(de)各(ge)個載流分(fen)支回路連接在一起,起著匯(hui)集(ji)(ji)、分(fen)配(pei)和(he)傳送(song)電(dian)(dian)(dian)能(neng)的(de)作用。母(mu)(mu)(mu)(mu)線(xian)(xian)(xian)按外(wai)型和(he)結構,大(da)致分(fen)為以下三類:1. 硬(ying)母(mu)(mu)(mu)(mu)線(xian)(xian)(xian):包(bao)括(kuo)矩(ju)形母(mu)(mu)(mu)(mu)線(xian)(xian)(xian)、圓(yuan)形母(mu)(mu)(mu)(mu)線(xian)(xian)(xian)、管形母(mu)(mu)(mu)(mu)線(xian)(xian)(xian)等(deng)。2. 軟母(mu)(mu)(mu)(mu)線(xian)(xian)(xian):包(bao)括(kuo)鋁(lv)絞線(xian)(xian)(xian)、銅(tong)絞線(xian)(xian)(xian)、鋼(gang)芯鋁(lv)絞線(xian)(xian)(xian)、擴徑空心導(dao)線(xian)(xian)(xian)等(deng)。3. 封(feng)閉母(mu)(mu)(mu)(mu)線(xian)(xian)(xian):包(bao)括(kuo)共箱母(mu)(mu)(mu)(mu)線(xian)(xian)(xian)、分(fen)相(xiang)母(mu)(mu)(mu)(mu)線(xian)(xian)(xian)等(deng)。母(mu)(mu)(mu)(mu)線(xian)(xian)(xian)槽通(tong)常由(you)鋁(lv)合金或銅(tong)制成。
母(mu)(mu)線(xian)(xian)(xian)(xian)槽(cao)(cao)(cao)(cao)有哪些類型?(1)空氣式(shi)插接(jie)(jie)(jie)母(mu)(mu)線(xian)(xian)(xian)(xian)槽(cao)(cao)(cao)(cao)(BMC)由(you)于母(mu)(mu)線(xian)(xian)(xian)(xian)之(zhi)間接(jie)(jie)(jie)頭(tou)(tou)用銅(tong)片軟接(jie)(jie)(jie)過(guo)渡,南方(fang)天(tian)氣過(guo)于潮濕(shi),接(jie)(jie)(jie)頭(tou)(tou)之(zhi)間容易產生氧化,形(xing)成接(jie)(jie)(jie)頭(tou)(tou)與母(mu)(mu)線(xian)(xian)(xian)(xian)接(jie)(jie)(jie)觸(chu)不良,使觸(chu)頭(tou)(tou)容易發熱(re)(re),這(zhe)種母(mu)(mu)線(xian)(xian)(xian)(xian)槽(cao)(cao)(cao)(cao)在南方(fang)的(de)(de)(de)使用情況比較少。且(qie)接(jie)(jie)(jie)頭(tou)(tou)之(zhi)間體(ti)積過(guo)大,水(shui)平母(mu)(mu)線(xian)(xian)(xian)(xian)段(duan)(duan)尺(chi)寸不一致,外(wai)形(xing)也不夠美觀。(2)密(mi)集(ji)(ji)絕(jue)緣插接(jie)(jie)(jie)母(mu)(mu)線(xian)(xian)(xian)(xian)槽(cao)(cao)(cao)(cao)(CMC)其(qi)防潮、散熱(re)(re)效果較差(cha)。在防潮方(fang)面,母(mu)(mu)線(xian)(xian)(xian)(xian)在施工時,易受(shou)潮及滲水(shui),導致相(xiang)間的(de)(de)(de)絕(jue)緣電(dian)阻下降。母(mu)(mu)線(xian)(xian)(xian)(xian)的(de)(de)(de)散熱(re)(re)主要(yao)靠外(wai)殼,由(you)于線(xian)(xian)(xian)(xian)與線(xian)(xian)(xian)(xian)之(zhi)間緊湊(cou)排列安裝(zhuang),L2、L3相(xiang)熱(re)(re)能(neng)(neng)(neng)散發緩(huan)慢,形(xing)成母(mu)(mu)線(xian)(xian)(xian)(xian)槽(cao)(cao)(cao)(cao)溫(wen)升偏高(gao)。密(mi)集(ji)(ji)絕(jue)緣插接(jie)(jie)(jie)母(mu)(mu)線(xian)(xian)(xian)(xian)槽(cao)(cao)(cao)(cao)受(shou)外(wai)殼板材限(xian)制(zhi),只能(neng)(neng)(neng)生產出(chu)不大于3m的(de)(de)(de)水(shui)平段(duan)(duan)。母(mu)(mu)線(xian)(xian)(xian)(xian)相(xiang)間氣隙小,母(mu)(mu)線(xian)(xian)(xian)(xian)通(tong)過(guo)大電(dian)流時,內部會產生強大的(de)(de)(de)電(dian)動力,使得磁振蕩頻率(lv)形(xing)成疊加狀態,出(chu)現過(guo)大的(de)(de)(de)噪聲。密(mi)集(ji)(ji)絕(jue)緣耐火(huo)母(mu)(mu)線(xian)(xian)(xian)(xian)槽(cao)(cao)(cao)(cao):采(cai)用耐熱(re)(re)性(xing)能(neng)(neng)(neng)的(de)(de)(de)絕(jue)緣材料絕(jue)緣并緊密(mi)排列放置并具有耐火(huo)性(xing)能(neng)(neng)(neng)的(de)(de)(de)母(mu)(mu)線(xian)(xian)(xian)(xian)槽(cao)(cao)(cao)(cao)。安徽母(mu)(mu)線(xian)(xian)(xian)(xian)槽(cao)(cao)(cao)(cao)批(pi)發價格
母線槽可以(yi)提(ti)供靈活的電力(li)擴展(zhan)能力(li)。上海(hai)照明母線槽銷售廠(chang)家(jia)
在商業(ye)(ye)領(ling)域(yu),母(mu)線(xian)槽(cao)(cao)(cao)被(bei)普遍應用于商場、超市、酒店等(deng)商業(ye)(ye)設(she)(she)施(shi)(shi)的(de)(de)(de)(de)電(dian)力配電(dian)系統中(zhong)。母(mu)線(xian)槽(cao)(cao)(cao)可以(yi)靈活布(bu)置在商業(ye)(ye)設(she)(she)施(shi)(shi)的(de)(de)(de)(de)各(ge)個區域(yu),滿足不同用電(dian)設(she)(she)備的(de)(de)(de)(de)需(xu)求。母(mu)線(xian)槽(cao)(cao)(cao)的(de)(de)(de)(de)安裝簡便,不需(xu)要破壞設(she)(she)施(shi)(shi)的(de)(de)(de)(de)結(jie)構,減少了施(shi)(shi)工的(de)(de)(de)(de)難度(du)和時間。同時,母(mu)線(xian)槽(cao)(cao)(cao)還(huan)具有良好(hao)的(de)(de)(de)(de)外(wai)觀性(xing)能(neng)(neng),能(neng)(neng)夠與(yu)商業(ye)(ye)設(she)(she)施(shi)(shi)的(de)(de)(de)(de)裝修風格(ge)相(xiang)匹配,提高了商業(ye)(ye)設(she)(she)施(shi)(shi)的(de)(de)(de)(de)整體美觀度(du)。母(mu)線(xian)槽(cao)(cao)(cao)在生(sheng)活中(zhong)的(de)(de)(de)(de)運(yun)用非常普遍,不僅可以(yi)滿足各(ge)個領(ling)域(yu)對(dui)電(dian)力供應的(de)(de)(de)(de)需(xu)求,還(huan)具有安裝簡便、防火性(xing)能(neng)(neng)好(hao)、抗震性(xing)能(neng)(neng)強、耐(nai)腐蝕性(xing)能(neng)(neng)好(hao)、電(dian)磁兼容(rong)性(xing)能(neng)(neng)好(hao)、外(wai)觀性(xing)能(neng)(neng)好(hao)等(deng)優點。隨著(zhu)科技(ji)的(de)(de)(de)(de)不斷進步,母(mu)線(xian)槽(cao)(cao)(cao)的(de)(de)(de)(de)應用領(ling)域(yu)還(huan)將不斷擴大,為我們的(de)(de)(de)(de)生(sheng)活帶來(lai)更多的(de)(de)(de)(de)便利和安全。上(shang)海照明母(mu)線(xian)槽(cao)(cao)(cao)銷售廠家
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重(zhong)慶定制汽(qi)修管理軟件解決方案
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香水進(jin)口(kou)清(qing)關備案如何操(cao)作?報檢(jian)完成后,應在查驗前(qian)向檢(jian)驗部門(men)提供(gong)相關電(dian)子(zi)版(ban)產品備案表、電(dian)子(zi)及紙質(zhi)貨物(wu)清(qing)單,企業(ye)應對(dui)提供(gong)的產品信息真實性(xing)及準(zhun)確性(xing)負責。檢(jian)驗檢(jian)疫人員根(gen)據報檢(jian)資料及貨物(wu)清(qing)單對(dui)香水進(jin)行現(xian)場查驗和 。
目前,我們正遭受前所未有的(de)水(shui)(shui)(shui)源危機(ji):90%的(de)城市地下(xia)水(shui)(shui)(shui)受到嚴重(zhong)污染,自來水(shui)(shui)(shui)水(shui)(shui)(shui)質合格率低于(yu)(yu)80%。而多數企業、公共(gong)場(chang)所仍然主(zhu)要依賴于(yu)(yu)開(kai)水(shui)(shui)(shui)器(qi)等傳統的(de)飲用(yong)水(shui)(shui)(shui)方(fang)式,開(kai)水(shui)(shui)(shui)器(qi)高溫無法(fa)去除水(shui)(shui)(shui)中的(de)重(zhong)金屬、鐵(tie)銹等雜質。 。
在Cobb角<45°的進(jin)展性脊柱側彎應(ying)考慮(lv)支(zhi)具,但所(suo)謂進(jin)展性是長期隨訪的結果,一旦診(zhen)斷為進(jin)展性才進(jin)行干預有可(ke)能耽誤比(bi)較好時(shi)機(ji),所(suo)以當初診(zhen)AIS患者發(fa)現有進(jin)展性的高危因素(su)時(shi),可(ke)放寬支(zhi)具的指征。:①初診(zhen)年 。
曳(ye)引(yin)式的別墅電(dian)(dian)梯(ti)是(shi)由永磁同步曳(ye)引(yin)機帶動的,運(yun)行(xing)比較省電(dian)(dian),而(er)且非常的平穩(wen),乘(cheng)坐體驗也是(shi)所有(you)家(jia)用電(dian)(dian)梯(ti)中好的,價格上也比較有(you)優勢,技術(shu)在國內非常成熟因此(ci)成本可控,比如大名(ming)府家(jia)用電(dian)(dian)梯(ti),安全(quan)性非常強。缺點(dian)就在于 。
氣(qi)(qi)(qi)(qi)(qi)源選擇:一般按照檢測器(qi)來(lai)考慮。①FID:需(xu)要(yao)配(pei)載(zai)氣(qi)(qi)(qi)(qi)(qi)、燃(ran)氣(qi)(qi)(qi)(qi)(qi)、助燃(ran)氣(qi)(qi)(qi)(qi)(qi)。一般來(lai)說都(dou)是配(pei)氮氣(qi)(qi)(qi)(qi)(qi)(高(gao)純鋼瓶(ping)氣(qi)(qi)(qi)(qi)(qi)或氮氣(qi)(qi)(qi)(qi)(qi)發(fa)生器(qi)),氫氣(qi)(qi)(qi)(qi)(qi)(鋼瓶(ping)氣(qi)(qi)(qi)(qi)(qi)或氫氣(qi)(qi)(qi)(qi)(qi)發(fa)生器(qi)),空氣(qi)(qi)(qi)(qi)(qi)(鋼瓶(ping)氣(qi)(qi)(qi)(qi)(qi)或空氣(qi)(qi)(qi)(qi)(qi)發(fa)生器(qi))。②TCD:需(xu)要(yao)配(pei)載(zai)氣(qi)(qi)(qi)(qi)(qi)。一般來(lai)說 。
超(chao)濾(lv)(lv)膜(mo)過(guo)(guo)濾(lv)(lv)原(yuan)理超(chao)濾(lv)(lv)是(shi)一(yi)種與膜(mo)孔徑大小相關的(de)篩分過(guo)(guo)程,以膜(mo)兩側(ce)的(de)壓(ya)力(li)差為驅動力(li),以超(chao)濾(lv)(lv)膜(mo)為過(guo)(guo)濾(lv)(lv)介質,在一(yi)定的(de)壓(ya)力(li)下,當原(yuan)液流過(guo)(guo)膜(mo)表(biao)面時,超(chao)濾(lv)(lv)膜(mo)表(biao)面密(mi)布的(de)許(xu)多細(xi)小的(de)微孔只允許(xu)水及小分子物質通過(guo)(guo)而成為透過(guo)(guo)液 。
防火(huo)(huo)(huo)墻,建筑(zhu)(zhu)設計專業(ye)術語,指防止火(huo)(huo)(huo)災蔓(man)延(yan)至相鄰區域且耐(nai)火(huo)(huo)(huo)極(ji)限不(bu)低于3小時(shi)的不(bu)燃性(xing)墻體。用(yong)于劃分防火(huo)(huo)(huo)分區,或防止建筑(zhu)(zhu)間(jian)火(huo)(huo)(huo)災蔓(man)延(yan)的重要分隔構件,能在(zai)火(huo)(huo)(huo)災初期(qi)和滅火(huo)(huo)(huo)過程中,將火(huo)(huo)(huo)災有效限制在(zai)一定空間(jian)內,阻斷火(huo)(huo)(huo) 。
AvagoTechnologies是一家全球(qiu)優良的(de)半(ban)導體公司(si),專注(zhu)于設計、開發(fa)和生產高性能模擬、混(hun)合(he)信(xin)號和光電(dian)子元件和系統。該公司(si)的(de)產品(pin)廣(guang)泛應(ying)用于通信(xin)、計算機(ji)、消費電(dian)子、工(gong)業、汽車和航(hang)空航(hang)天等領域(yu)。A 。
通過肉眼(yan)觀(guan)察焊縫(feng)的(de)外(wai)(wai)觀(guan),可以發現一些明顯的(de)缺陷(xian),如(ru)(ru)焊縫(feng)外(wai)(wai)形高低不(bu)平(ping)、焊道寬窄不(bu)齊、焊縫(feng)余(yu)高過大或(huo)過小等。同(tong)時,可以使用一些工具如(ru)(ru)焊縫(feng)檢(jian)驗(yan)規、卷尺(chi)、鋼直尺(chi)、低倍放大鏡(jing)等來輔(fu)助檢(jian)驗(yan)。對于(yu)要求密封的(de)焊接結構 。
酸(suan)(suan)(suan)(suan)霧廢(fei)氣(qi)主(zhu)要(yao)來源:化(hua)工、電(dian)子、冶金、電(dian)鍍、紡(fang)織(zhi)(化(hua)纖)、食(shi)品、機(ji)械制造(zao)等行業(ye)過(guo)程中(zhong)排放(fang)的(de)酸(suan)(suan)(suan)(suan)、堿(jian)性(xing)廢(fei)氣(qi),如調味食(shi)品、制酸(suan)(suan)(suan)(suan)、酸(suan)(suan)(suan)(suan)洗、電(dian)鍍、電(dian)解、蓄電(dian)池等。酸(suan)(suan)(suan)(suan)霧廢(fei)氣(qi)的(de)危害(hai):酸(suan)(suan)(suan)(suan)霧氣(qi)體造(zao)成的(de)大(da)氣(qi)污染(ran)對人體造(zao)成的(de)傷 。