（1）極(ji)(ji)(ji)間(jian)(jian)(jian)介質(zhi)的(de)電(dian)(dian)(dian)(dian)(dian)離(li)(li)、擊穿及放(fang)電(dian)(dian)(dian)(dian)(dian)通(tong)道(dao)的(de)形成(cheng)當(dang)脈沖電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)施加(jia)于工(gong)具電(dian)(dian)(dian)(dian)(dian)極(ji)(ji)(ji)與(yu)工(gong)件兩者之(zhi)(zhi)間(jian)(jian)(jian)時(shi)，兩極(ji)(ji)(ji)之(zhi)(zhi)間(jian)(jian)(jian)即刻形成(cheng)一(yi)個電(dian)(dian)(dian)(dian)(dian)場(chang)。電(dian)(dian)(dian)(dian)(dian)場(chang)強度(du)與(yu)電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)成(cheng)正比(bi)，與(yu)距離(li)(li)成(cheng)反比(bi)，隨著(zhu)極(ji)(ji)(ji)間(jian)(jian)(jian)電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)的(de)升(sheng)高(gao)或(huo)是極(ji)(ji)(ji)間(jian)(jian)(jian)距離(li)(li)的(de)減小，極(ji)(ji)(ji)間(jian)(jian)(jian)電(dian)(dian)(dian)(dian)(dian)場(chang)強度(du)也將(jiang)隨著(zhu)增大。由于工(gong)具電(dian)(dian)(dian)(dian)(dian)極(ji)(ji)(ji)和(he)工(gong)件的(de)微(wei)觀表面(mian)是凸凹不平的(de)，極(ji)(ji)(ji)間(jian)(jian)(jian)距離(li)(li)又很(hen)小，因而極(ji)(ji)(ji)間(jian)(jian)(jian)電(dian)(dian)(dian)(dian)(dian)場(chang)強度(du)是非常不均勻的(de)，兩極(ji)(ji)(ji)間(jian)(jian)(jian)離(li)(li)得近的(de)突(tu)出點或(huo)處的(de)電(dian)(dian)(dian)(dian)(dian)場(chang)強度(du)一(yi)般為。當(dang)電(dian)(dian)(dian)(dian)(dian)場(chang)強度(du)增大到(dao)(dao)一(yi)定數(shu)量時(shi)，介質(zhi)被擊穿，放(fang)電(dian)(dian)(dian)(dian)(dian)間(jian)(jian)(jian)隙電(dian)(dian)(dian)(dian)(dian)阻從(cong)絕緣狀態迅速降低到(dao)(dao)幾分(fen)之(zhi)(zhi)一(yi)歐姆(mu)，間(jian)(jian)(jian)隙電(dian)(dian)(dian)(dian)(dian)流(liu)(liu)迅速上升(sheng)到(dao)(dao)值。由于通(tong)道(dao)直徑很(hen)小，所以通(tong)道(dao)中(zhong)的(de)電(dian)(dian)(dian)(dian)(dian)流(liu)(liu)密度(du)很(hen)高(gao)。間(jian)(jian)(jian)隙電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)則由擊穿電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)迅速下降到(dao)(dao)火(huo)花(hua)維持電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)（一(yi)般約為20~30V），電(dian)(dian)(dian)(dian)(dian)流(liu)(liu)則由0上升(sheng)到(dao)(dao)某(mou)一(yi)峰值電(dian)(dian)(dian)(dian)(dian)流(liu)(liu)。（2）介質(zhi)熱(re)(re)(re)分(fen)解、電(dian)(dian)(dian)(dian)(dian)極(ji)(ji)(ji)材(cai)料(liao)熔(rong)化(hua)、汽(qi)化(hua)熱(re)(re)(re)膨脹極(ji)(ji)(ji)間(jian)(jian)(jian)介質(zhi)一(yi)旦被電(dian)(dian)(dian)(dian)(dian)離(li)(li)、擊穿，形成(cheng)放(fang)電(dian)(dian)(dian)(dian)(dian)通(tong)道(dao)后，脈沖電(dian)(dian)(dian)(dian)(dian)源(yuan)使(shi)通(tong)道(dao)間(jian)(jian)(jian)的(de)電(dian)(dian)(dian)(dian)(dian)子(zi)高(gao)速奔(ben)向正極(ji)(ji)(ji)，正離(li)(li)子(zi)奔(ben)向負極(ji)(ji)(ji)。電(dian)(dian)(dian)(dian)(dian)能變成(cheng)動能，動能通(tong)過(guo)碰撞又轉(zhuan)變成(cheng)熱(re)(re)(re)能。于是在(zai)通(tong)道(dao)內正極(ji)(ji)(ji)和(he)負極(ji)(ji)(ji)表面(mian)分(fen)別成(cheng)為瞬間(jian)(jian)(jian)熱(re)(re)(re)源(yuan)，達到(dao)(dao)較高(gao)的(de)溫(wen)度(du)。通(tong)道(dao)高(gao)溫(wen)將(jiang)工(gong)作液(ye)介質(zhi)汽(qi)化(hua)，進而熱(re)(re)(re)裂(lie)分(fen)解汽(qi)化(hua)。這(zhe)些(xie)汽(qi)化(hua)后的(de)工(gong)作液(ye)和(he)金屬蒸汽(qi)，瞬間(jian)(jian)(jian)體積猛增，在(zai)放(fang)電(dian)(dian)(dian)(dian)(dian)間(jian)(jian)(jian)隙內成(cheng)為氣(qi)泡，迅速熱(re)(re)(re)膨脹并具有(you)的(de)特性。觀察電(dian)(dian)(dian)(dian)(dian)火(huo)花(hua)加(jia)工(gong)過(guo)程。隨著(zhu)制(zhi)造業(ye)的(de)不斷(duan)發(fa)展，數(shu)控電(dian)(dian)(dian)(dian)(dian)火(huo)花(hua)加(jia)工(gong)技術也在(zai)不斷(duan)發(fa)展。江蘇5軸數(shu)控電(dian)(dian)(dian)(dian)(dian)火(huo)花(hua)機

（2）介質熱(re)(re)(re)(re)分解、電(dian)(dian)極(ji)(ji)材料熔化(hua)(hua)(hua)(hua)、汽(qi)(qi)(qi)化(hua)(hua)(hua)(hua)熱(re)(re)(re)(re)膨(peng)脹極(ji)(ji)間(jian)(jian)介質一旦被電(dian)(dian)離、擊穿，形成(cheng)放電(dian)(dian)通道(dao)后(hou)，脈沖電(dian)(dian)源使通道(dao)間(jian)(jian)的(de)(de)電(dian)(dian)子高(gao)(gao)速奔向正極(ji)(ji)，正離子奔向負極(ji)(ji)。電(dian)(dian)能變(bian)成(cheng)動能，動能通過碰撞(zhuang)又(you)轉變(bian)成(cheng)熱(re)(re)(re)(re)能。于是在(zai)通道(dao)內(nei)正極(ji)(ji)和(he)負極(ji)(ji)表面分別成(cheng)為(wei)瞬(shun)間(jian)(jian)熱(re)(re)(re)(re)源，達到較高(gao)(gao)的(de)(de)溫度(du)。通道(dao)高(gao)(gao)溫將工(gong)(gong)(gong)作液(ye)(ye)介質汽(qi)(qi)(qi)化(hua)(hua)(hua)(hua)，進而(er)(er)熱(re)(re)(re)(re)裂(lie)分解汽(qi)(qi)(qi)化(hua)(hua)(hua)(hua)。這些(xie)汽(qi)(qi)(qi)化(hua)(hua)(hua)(hua)后(hou)的(de)(de)工(gong)(gong)(gong)作液(ye)(ye)和(he)金屬蒸汽(qi)(qi)(qi)，瞬(shun)間(jian)(jian)體積(ji)猛增，在(zai)放電(dian)(dian)間(jian)(jian)隙內(nei)成(cheng)為(wei)氣(qi)泡，迅速熱(re)(re)(re)(re)膨(peng)脹并具(ju)有(you)(you)(you)爆發(fa)的(de)(de)特性。觀察電(dian)(dian)火花加(jia)工(gong)(gong)(gong)過程，可(ke)以(yi)看(kan)到放電(dian)(dian)間(jian)(jian)隙間(jian)(jian)冒出氣(qi)泡，工(gong)(gong)(gong)作液(ye)(ye)逐漸變(bian)黑，并聽(ting)到輕微而(er)(er)清脆(cui)的(de)(de)爆發(fa)聲。電(dian)(dian)火花加(jia)工(gong)(gong)(gong)主要靠熱(re)(re)(re)(re)膨(peng)脹和(he)局部微爆發(fa)，使熔化(hua)(hua)(hua)(hua)、汽(qi)(qi)(qi)化(hua)(hua)(hua)(hua)了(le)的(de)(de)電(dian)(dian)極(ji)(ji)材料拋出蝕除。湖州電(dian)(dian)火花加(jia)工(gong)(gong)(gong)寧波(bo)宇馳機電(dian)(dian)科(ke)技有(you)(you)(you)限公司為(wei)您提供(gong) 電(dian)(dian)火花，有(you)(you)(you)想法(fa)可(ke)以(yi)來我司咨詢！

電(dian)(dian)(dian)火(huo)花(hua)機床的(de)(de)分(fen)類1:CNC電(dian)(dian)(dian)火(huo)花(hua)機床三軸(zhou)(zhou)或(huo)三軸(zhou)(zhou)以上的(de)(de)數控電(dian)(dian)(dian)火(huo)花(hua)成型機;其每個軸(zhou)(zhou)皆能(neng)(neng)實(shi)現(xian)放電(dian)(dian)(dian)加工(gong)(gong)，也可(ke)實(shi)現(xian)多軸(zhou)(zhou)連動放電(dian)(dian)(dian)加工(gong)(gong);2:ZNC電(dian)(dian)(dian)火(huo)花(hua)機床只(zhi)有(you)(you)Z軸(zhou)(zhou)可(ke)實(shi)現(xian)放電(dian)(dian)(dian)加工(gong)(gong);X軸(zhou)(zhou)及Y軸(zhou)(zhou)手(shou)動控制，只(zhi)有(you)(you)定位(wei)功能(neng)(neng);3:特(te)種電(dian)(dian)(dian)火(huo)花(hua)機床用(yong)于特(te)殊加工(gong)(gong)的(de)(de)電(dian)(dian)(dian)火(huo)花(hua)機床;如輪胎模具電(dian)(dian)(dian)火(huo)花(hua)機床﹑鞋模電(dian)(dian)(dian)火(huo)花(hua)機床等等;折疊編輯(ji)本段(duan)安全操(cao)(cao)(cao)作(zuo)(zuo)規程1.操(cao)(cao)(cao)作(zuo)(zuo)者(zhe)經專業學習(xi)，經考試合格，發(fa)證，才能(neng)(neng)單獨操(cao)(cao)(cao)作(zuo)(zuo)。2.操(cao)(cao)(cao)作(zuo)(zuo)室內禁止(zhi)一切(qie)明(ming)火(huo)和吸煙(yan)，應備有(you)(you)撲滅油(you)著火(huo)的(de)(de)滅火(huo)器(qi)材。3.工(gong)(gong)作(zuo)(zuo)時檢查機械、脈沖電(dian)(dian)(dian)源、控制旋(xuan)鈕、顯示儀(yi)表、抽(chou)風機，都應保(bao)持(chi)完(wan)整可(ke)靠。4.裝卸工(gong)(gong)件、定位(wei)、校(xiao)正電(dian)(dian)(dian)極(ji)、擦(ca)拭機床時，必須切(qie)斷脈沖電(dian)(dian)(dian)源。5.工(gong)(gong)作(zuo)(zuo)液面(mian)，應保(bao)持(chi)高于工(gong)(gong)件表面(mian)50~60毫米，以免液面(mian)過(guo)低著火(huo)。6.禁止(zhi)用(yong)手(shou)觸(chu)及電(dian)(dian)(dian)極(ji)。操(cao)(cao)(cao)作(zuo)(zuo)者(zhe)應站在絕緣橡(xiang)皮或(huo)木踏板上。7.及時排除分(fen)解出來(lai)的(de)(de)有(you)(you)害氣體，抽(chou)風機發(fa)生故障應采(cai)取措施或(huo)停止(zhi)工(gong)(gong)作(zuo)(zuo)。

電(dian)(dian)(dian)(dian)火(huo)花加工(gong)(gong)是在液(ye)體介(jie)(jie)(jie)質(zhi)中進(jin)行的(de)，機床的(de)自動(dong)進(jin)給調節裝置使工(gong)(gong)件(jian)和(he)工(gong)(gong)具電(dian)(dian)(dian)(dian)極之(zhi)間(jian)(jian)保持適當的(de)放(fang)(fang)(fang)電(dian)(dian)(dian)(dian)間(jian)(jian)隙，當工(gong)(gong)具電(dian)(dian)(dian)(dian)極和(he)工(gong)(gong)件(jian)之(zhi)間(jian)(jian)施加很強的(de)脈沖(chong)(chong)電(dian)(dian)(dian)(dian)壓(ya)（達到(dao)間(jian)(jian)隙中介(jie)(jie)(jie)質(zhi)的(de)擊(ji)穿電(dian)(dian)(dian)(dian)壓(ya)）時(shi)，會擊(ji)穿介(jie)(jie)(jie)質(zhi)絕緣(yuan)強度(du)(du)低處。由(you)于放(fang)(fang)(fang)電(dian)(dian)(dian)(dian)區(qu)域很小(xiao)，放(fang)(fang)(fang)電(dian)(dian)(dian)(dian)時(shi)間(jian)(jian)較短，所(suo)以，能量(liang)高度(du)(du)集中，使放(fang)(fang)(fang)電(dian)(dian)(dian)(dian)區(qu)的(de)溫度(du)(du)瞬(shun)間(jian)(jian)高達 200%">℃，工(gong)(gong)件(jian)表(biao)面和(he)工(gong)(gong)具電(dian)(dian)(dian)(dian)極表(biao)面的(de)金(jin)(jin)屬(shu)(shu)局部熔(rong)(rong)化、甚至汽(qi)化蒸發(fa)。局部熔(rong)(rong)化和(he)汽(qi)化的(de)金(jin)(jin)屬(shu)(shu)在爆發(fa)力的(de)作用下(xia)投(tou)入(ru)工(gong)(gong)作液(ye)中，并(bing)被冷(leng)卻成為金(jin)(jin)屬(shu)(shu)小(xiao)顆粒，然后被工(gong)(gong)作液(ye)迅(xun)速沖(chong)(chong)離工(gong)(gong)作區(qu)，從(cong)而使工(gong)(gong)件(jian)表(biao)面形(xing)成一(yi)個微小(xiao)的(de)凹坑。一(yi)次(ci)放(fang)(fang)(fang)電(dian)(dian)(dian)(dian)后，介(jie)(jie)(jie)質(zhi)的(de)絕緣(yuan)強度(du)(du)恢復(fu)等(deng)待(dai)下(xia)一(yi)次(ci)放(fang)(fang)(fang)電(dian)(dian)(dian)(dian)。如此反復(fu)使工(gong)(gong)件(jian)表(biao)面不(bu)斷被蝕除，并(bing)在工(gong)(gong)件(jian)上(shang)復(fu)制出工(gong)(gong)具電(dian)(dian)(dian)(dian)極的(de)形(xing)狀，從(cong)而達到(dao)成型加工(gong)(gong)的(de)目的(de)。數(shu)控電(dian)(dian)(dian)(dian)火(huo)花加工(gong)(gong)是利用電(dian)(dian)(dian)(dian)火(huo)花放(fang)(fang)(fang)電(dian)(dian)(dian)(dian)的(de)原(yuan)理進(jin)行加工(gong)(gong)的(de)一(yi)種技(ji)術。

火(huo)花機(ji)放電(dian)(dian)(dian)加(jia)(jia)(jia)工(gong)的(de)主要作用鏡面火(huo)花機(ji)加(jia)(jia)(jia)工(gong)主要用于加(jia)(jia)(jia)工(gong)具(ju)有復雜形(xing)狀(zhuang)的(de)孔和(he)(he)型腔的(de)模具(ju)和(he)(he)零(ling)件(jian)。加(jia)(jia)(jia)工(gong)各種(zhong)硬(ying)脆材料，如硬(ying)質合(he)金(jin)及硬(ying)化鋼。加(jia)(jia)(jia)工(gong)深(shen)(shen)孔、異形(xing)孔、深(shen)(shen)槽(cao)、窄槽(cao)、薄片等。加(jia)(jia)(jia)工(gong)各種(zhong)成型工(gong)具(ju)、模板、螺紋環規等刀具(ju)。當火(huo)花機(ji)在保(bao)持(chi)刀具(ju)電(dian)(dian)(dian)極(ji)(ji)和(he)(he)工(gong)件(jian)之(zhi)間(jian)一(yi)定放電(dian)(dian)(dian)間(jian)隔的(de)同(tong)時(shi)，腐蝕工(gong)件(jian)金(jin)屬(shu)，同(tong)時(shi)繼(ji)續將刀具(ju)電(dian)(dian)(dian)極(ji)(ji)轉移到工(gong)件(jian)上，加(jia)(jia)(jia)工(gong)與刀具(ju)電(dian)(dian)(dian)極(ji)(ji)形(xing)狀(zhuang)相(xiang)對(dui)應的(de)形(xing)狀(zhuang)。因此，改變刀具(ju)電(dian)(dian)(dian)極(ji)(ji)的(de)形(xing)狀(zhuang)和(he)(he)刀具(ju)電(dian)(dian)(dian)極(ji)(ji)和(he)(he)工(gong)件(jian)之(zhi)間(jian)的(de)相(xiang)對(dui)運(yun)動方式，可以加(jia)(jia)(jia)工(gong)各種(zhong)復雜的(de)形(xing)狀(zhuang)。工(gong)具(ju)電(dian)(dian)(dian)極(ji)(ji)一(yi)般采用導電(dian)(dian)(dian)性能好、熔點高、容易(yi)加(jia)(jia)(jia)工(gong)的(de)內戰式材料，如銅(tong)、石(shi)墨、銅(tong)合(he)金(jin)、鉬等。在加(jia)(jia)(jia)工(gong)過程(cheng)中，刀具(ju)電(dian)(dian)(dian)極(ji)(ji)也會損失，但比工(gong)件(jian)金(jin)屬(shu)的(de)腐蝕量少，接近(jin)無損狀(zhuang)態。電(dian)(dian)(dian)火(huo)花，就選寧(ning)波宇(yu)馳機(ji)電(dian)(dian)(dian)科技有限公司。江蘇5軸數控電(dian)(dian)(dian)火(huo)花機(ji)

電火(huo)花，就選(xuan)寧波宇馳機(ji)電科技有限公司，讓您滿意，歡(huan)迎新老(lao)客戶來電！江蘇5軸數控電火(huo)花機(ji)

運(yun)用數(shu)(shu)(shu)控(kong)電(dian)(dian)(dian)火花(hua)(hua)微(wei)小孔(kong)(kong)機(ji)(ji)(ji)開發(fa)銑(xian)(xian)削(xue)加(jia)(jia)工(gong)(gong)(gong)(gong)，是一(yi)(yi)種(zhong)(zhong)(zhong)新型(xing)的(de)(de)電(dian)(dian)(dian)火花(hua)(hua)加(jia)(jia)工(gong)(gong)(gong)(gong)方(fang)法。用小孔(kong)(kong)機(ji)(ji)(ji)電(dian)(dian)(dian)極(ji)(ji)管作三(san)維或(huo)二(er)維輪(lun)(lun)廓加(jia)(jia)工(gong)(gong)(gong)(gong)，像數(shu)(shu)(shu)控(kong)銑(xian)(xian)床(chuang)一(yi)(yi)樣，不再需要制(zhi)(zhi)造復雜的(de)(de)成形(xing)電(dian)(dian)(dian)極(ji)(ji)。能(neng)(neng)順(shun)利加(jia)(jia)工(gong)(gong)(gong)(gong)不銹(xiu)鋼、淬火鋼、硬質合金、高溫耐熱材料(liao)、鈦合金等(deng)其它一(yi)(yi)些難加(jia)(jia)工(gong)(gong)(gong)(gong)材料(liao)。這種(zhong)(zhong)(zhong)加(jia)(jia)工(gong)(gong)(gong)(gong)方(fang)法與(yu)(yu)電(dian)(dian)(dian)火花(hua)(hua)成型(xing)加(jia)(jia)工(gong)(gong)(gong)(gong)相比較，具(ju)有節省大量成形(xing)電(dian)(dian)(dian)極(ji)(ji)、生產(chan)周期(qi)短、加(jia)(jia)工(gong)(gong)(gong)(gong)費用低、加(jia)(jia)工(gong)(gong)(gong)(gong)柔(rou)性高等(deng)優點(dian)。與(yu)(yu)普通機(ji)(ji)(ji)械(xie)銑(xian)(xian)削(xue)類(lei)似(si)，電(dian)(dian)(dian)火花(hua)(hua)銑(xian)(xian)削(xue)加(jia)(jia)工(gong)(gong)(gong)(gong)，按(an)照電(dian)(dian)(dian)極(ji)(ji)旋轉軸(zhou)的(de)(de)傾(qing)斜位置，又可(ke)分為立軸(zhou)、橫(heng)軸(zhou)和斜軸(zhou)電(dian)(dian)(dian)火花(hua)(hua)銑(xian)(xian)削(xue)。當電(dian)(dian)(dian)極(ji)(ji)軸(zhou)水平橫(heng)放(fang)或(huo)斜放(fang)時，電(dian)(dian)(dian)極(ji)(ji)與(yu)(yu)工(gong)(gong)(gong)(gong)件(jian)的(de)(de)相對進(jin)給(gei)運(yun)動(dong)，可(ke)以(yi)由數(shu)(shu)(shu)控(kong)電(dian)(dian)(dian)火花(hua)(hua)小孔(kong)(kong)機(ji)(ji)(ji)床(chuang)的(de)(de)X、Y、S作三(san)軸(zhou)聯動(dong)來(lai)(lai)實(shi)現，也可(ke)以(yi)由X、S二(er)軸(zhou)與(yu)(yu)工(gong)(gong)(gong)(gong)件(jian)的(de)(de)旋轉運(yun)動(dong)作聯動(dong)來(lai)(lai)實(shi)現。例如加(jia)(jia)工(gong)(gong)(gong)(gong)側向的(de)(de)螺旋型(xing)槽、二(er)維輪(lun)(lun)廓的(de)(de)臺或(huo)坑，均可(ke)通過銑(xian)(xian)槽功能(neng)(neng)來(lai)(lai)加(jia)(jia)工(gong)(gong)(gong)(gong)。蘇州電(dian)(dian)(dian)加(jia)(jia)工(gong)(gong)(gong)(gong)機(ji)(ji)(ji)床(chuang)研究所(suo)有限公司是我國(guo)特種(zhong)(zhong)(zhong)加(jia)(jia)工(gong)(gong)(gong)(gong)行(xing)(xing)業的(de)(de)歸口管理單位，專業提供各種(zhong)(zhong)(zhong)數(shu)(shu)(shu)控(kong)電(dian)(dian)(dian)火花(hua)(hua)微(wei)小孔(kong)(kong)機(ji)(ji)(ji)、電(dian)(dian)(dian)化(hua)學去(qu)毛刺(ci)機(ji)(ji)(ji)(電(dian)(dian)(dian)解(jie)去(qu)毛刺(ci)機(ji)(ji)(ji))、數(shu)(shu)(shu)控(kong)電(dian)(dian)(dian)火花(hua)(hua)線切割(ge)機(ji)(ji)(ji)、數(shu)(shu)(shu)控(kong)電(dian)(dian)(dian)火花(hua)(hua)成形(xing)機(ji)(ji)(ji)、特鋼高效切割(ge)機(ji)(ji)(ji)、電(dian)(dian)(dian)火花(hua)(hua)蜂(feng)窩磨床(chuang)、扎(zha)輥(gun)環磨床(chuang)等(deng)各種(zhong)(zhong)(zhong)電(dian)(dian)(dian)加(jia)(jia)工(gong)(gong)(gong)(gong)、特種(zhong)(zhong)(zhong)加(jia)(jia)工(gong)(gong)(gong)(gong)定制(zhi)(zhi)設備，產(chan)品(pin)廣泛應用于能(neng)(neng)源、電(dian)(dian)(dian)子、微(wei)型(xing)機(ji)(ji)(ji)械(xie)、醫療器械(xie)、模(mo)具(ju)、汽車(che)、鋼鐵等(deng)行(xing)(xing)業。江蘇5軸(zhou)數(shu)(shu)(shu)控(kong)電(dian)(dian)(dian)火花(hua)(hua)機(ji)(ji)(ji)

本文來自四川精碳(tan)偉業環保(bao)科(ke)技有限責(ze)任公(gong)司(si)：//wasul.cn/Article/60d0499935.html