真空斷路(lu)器額定斷路(lu)開斷電流(liu)

額(e)定(ding)(ding)(ding)短路(lu)(lu)(lu)開(kai)斷(duan)電(dian)(dian)(dian)(dian)流是(shi)(shi)(shi)指在(zai)(zai)規(gui)(gui)定(ding)(ding)(ding)的(de)(de)(de)(de)(de)使用條件下，高(gao)(gao)壓(ya)壓(ya)真(zhen)空(kong)斷(duan)路(lu)(lu)(lu)器(qi)(qi)(qi)所能開(kai)斷(duan)的(de)(de)(de)(de)(de)大短路(lu)(lu)(lu)電(dian)(dian)(dian)(dian)流。所謂短路(lu)(lu)(lu)開(kai)斷(duan)，就是(shi)(shi)(shi)指高(gao)(gao)壓(ya)真(zhen)空(kong)斷(duan)路(lu)(lu)(lu)器(qi)(qi)(qi)流過(guo)(guo)任一(yi)(yi)短路(lu)(lu)(lu)電(dian)(dian)(dian)(dian)流直至額(e)定(ding)(ding)(ding)短路(lu)(lu)(lu)開(kai)斷(duan)電(dian)(dian)(dian)(dian)流時(shi)，通(tong)過(guo)(guo)動靜觸(chu)頭(tou)的(de)(de)(de)(de)(de)分離(li)，使運靜解(jie)頭(tou)間(jian)(jian)工頻恢復電(dian)(dian)(dian)(dian)壓(ya)由趨于零的(de)(de)(de)(de)(de)數(shu)(shu)值迅(xun)速增至斷(duan)路(lu)(lu)(lu)器(qi)(qi)(qi)的(de)(de)(de)(de)(de)額(e)定(ding)(ding)(ding)電(dian)(dian)(dian)(dian)壓(ya)且(qie)瞬態恢復電(dian)(dian)(dian)(dian)壓(ya)等于標準中規(gui)(gui)定(ding)(ding)(ding)值的(de)(de)(de)(de)(de)過(guo)(guo)程(cheng)。在(zai)(zai)此(ci)過(guo)(guo)程(cheng)中，流過(guo)(guo)斷(duan)路(lu)(lu)(lu)器(qi)(qi)(qi)的(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)流由初始值逐浙趨于零。額(e)定(ding)(ding)(ding)短路(lu)(lu)(lu)開(kai)斷(duan)電(dian)(dian)(dian)(dian)流的(de)(de)(de)(de)(de)交流的(de)(de)(de)(de)(de)分量有郊(jiao)值與額(e)定(ding)(ding)(ding)短時(shi)耐(nai)受電(dian)(dian)(dian)(dian)流值相同，額(e)定(ding)(ding)(ding)短路(lu)(lu)(lu)開(kai)斷(duan)電(dian)(dian)(dian)(dian)流的(de)(de)(de)(de)(de)直流分量有郊(jiao)值則決于所采用的(de)(de)(de)(de)(de)時(shi)間(jian)(jian)常數(shu)(shu)中，真(zhen)空(kong)斷(duan)路(lu)(lu)(lu)器(qi)(qi)(qi)的(de)(de)(de)(de)(de)短分閘(zha)時(shi)間(jian)(jian)和繼電(dian)(dian)(dian)(dian)保(bao)護裝置的(de)(de)(de)(de)(de)快運作時(shi)間(jian)(jian)。浙江豫峰電(dian)(dian)(dian)(dian)氣有限公司(si)是(shi)(shi)(shi)一(yi)(yi)家(jia)專(zhuan)業提供真(zhen)空(kong)斷(duan)路(lu)(lu)(lu)器(qi)(qi)(qi)設備的(de)(de)(de)(de)(de)公司(si)，期待您的(de)(de)(de)(de)(de)光臨！西藏永磁高(gao)(gao)壓(ya)真(zhen)空(kong)斷(duan)路(lu)(lu)(lu)器(qi)(qi)(qi)圖片

真空斷路器工作原理

當真(zhen)空(kong)斷(duan)(duan)路(lu)(lu)器的(de)(de)(de)動、靜(jing)觸(chu)(chu)頭(tou)(tou)(tou)在(zai)操作(zuo)(zuo)機(ji)構的(de)(de)(de)作(zuo)(zuo)用下(xia)分(fen)閘時，觸(chu)(chu)頭(tou)(tou)(tou)間(jian)產生電(dian)(dian)(dian)弧(hu)，觸(chu)(chu)頭(tou)(tou)(tou)表面在(zai)高溫下(xia)揮發出蒸汽，由于觸(chu)(chu)頭(tou)(tou)(tou)設計為特殊形狀，在(zai)電(dian)(dian)(dian)流通(tong)過(guo)(guo)時產生一磁(ci)場(chang)，電(dian)(dian)(dian)弧(hu)在(zai)此磁(ci)場(chang)作(zuo)(zuo)用下(xia)沿觸(chu)(chu)頭(tou)(tou)(tou)表面切線方向(xiang)快速運動，在(zai)金(jin)屬圓筒（屏蔽罩）上(shang)凝結(jie)了部(bu)分(fen)金(jin)屬蒸汽，電(dian)(dian)(dian)弧(hu)在(zai)自(zi)然過(guo)(guo)零時就(jiu)熄滅(mie)了，觸(chu)(chu)頭(tou)(tou)(tou)間(jian)的(de)(de)(de)介(jie)質強度(du)又迅(xun)速恢復起來。1、合(he)(he)閘過(guo)(guo)程(cheng)：當操動機(ji)構的(de)(de)(de)合(he)(he)閘線圈(quan)通(tong)電(dian)(dian)(dian)，合(he)(he)閘鐵芯(xin)被吸合(he)(he)，通(tong)過(guo)(guo)拐臂及連桿(gan)使真(zhen)空(kong)滅(mie)弧(hu)室的(de)(de)(de)動導電(dian)(dian)(dian)桿(gan)運動，將(jiang)斷(duan)(duan)路(lu)(lu)器合(he)(he)閘。2、分(fen)閘過(guo)(guo)程(cheng)：當操動機(ji)構的(de)(de)(de)分(fen)閘線圈(quan)通(tong)電(dian)(dian)(dian)，分(fen)閘鐵芯(xin)被吸合(he)(he)，使鎖口釋放，斷(duan)(duan)路(lu)(lu)在(zai)分(fen)閘彈簧的(de)(de)(de)作(zuo)(zuo)用下(xia)迅(xun)速分(fen)斷(duan)(duan)。3、滅(mie)弧(hu)過(guo)(guo)程(cheng)：真(zhen)空(kong)斷(duan)(duan)路(lu)(lu)器的(de)(de)(de)動靜(jing)觸(chu)(chu)頭(tou)(tou)(tou)上(shang)開有螺旋(xuan)槽，使在(zai)電(dian)(dian)(dian)弧(hu)的(de)(de)(de)軸(zhou)向(xiang)上(shang)外加一橫向(xiang)磁(ci)場(chang)，當驅(qu)動電(dian)(dian)(dian)弧(hu)（對于大容量的(de)(de)(de)真(zhen)空(kong)斷(duan)(duan)路(lu)(lu)器為縱向(xiang)磁(ci)場(chang)），使電(dian)(dian)(dian)弧(hu)高速旋(xuan)轉，避(bi)面觸(chu)(chu)頭(tou)(tou)(tou)過(guo)(guo)熱。北京戶(hu)內真(zhen)空(kong)斷(duan)(duan)路(lu)(lu)器哪家好(hao)浙江豫峰電(dian)(dian)(dian)氣有限公(gong)司(si)(si)為您(nin)提供(gong)真(zhen)空(kong)斷(duan)(duan)路(lu)(lu)器設備，有想法可以來我司(si)(si)咨詢(xun)！

高(gao)壓真空斷路器的動作原理(li)

1、儲(chu)(chu)能(neng)(neng)(neng)(neng)(neng)(neng)(neng)過(guo)(guo)(guo)程當(dang)儲(chu)(chu)能(neng)(neng)(neng)(neng)(neng)(neng)(neng)電(dian)(dian)(dian)機(ji)(ji)(ji)14接通(tong)電(dian)(dian)(dian)源時，電(dian)(dian)(dian)機(ji)(ji)(ji)帶動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)偏心輪(lun)轉(zhuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)，通(tong)過(guo)(guo)(guo)緊靠(kao)(kao)在偏心輪(lun)上(shang)(shang)的(de)(de)滾子10帶動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)拐(guai)臂9及(ji)連板(ban)7擺動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)，推動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)儲(chu)(chu)能(neng)(neng)(neng)(neng)(neng)(neng)(neng)棘爪6擺動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)，使(shi)(shi)(shi)棘輪(lun)11轉(zhuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)，當(dang)棘輪(lun)11上(shang)(shang)的(de)(de)銷與(yu)儲(chu)(chu)能(neng)(neng)(neng)(neng)(neng)(neng)(neng)軸(zhou)(zhou)(zhou)套(tao)(tao)32的(de)(de)板(ban)靠(kao)(kao)住(zhu)(zhu)以后(hou)，二者一起運動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)，使(shi)(shi)(shi)掛在儲(chu)(chu)能(neng)(neng)(neng)(neng)(neng)(neng)(neng)軸(zhou)(zhou)(zhou)套(tao)(tao)上(shang)(shang)32上(shang)(shang)的(de)(de)合(he)閘(zha)(zha)彈(dan)簧(huang)(huang)21拉長。儲(chu)(chu)能(neng)(neng)(neng)(neng)(neng)(neng)(neng)軸(zhou)(zhou)(zhou)套(tao)(tao)32由定位銷13固定，維持儲(chu)(chu)能(neng)(neng)(neng)(neng)(neng)(neng)(neng)狀(zhuang)態(tai)，同時，儲(chu)(chu)能(neng)(neng)(neng)(neng)(neng)(neng)(neng)軸(zhou)(zhou)(zhou)套(tao)(tao)32上(shang)(shang)的(de)(de)拐(guai)臂推動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)行(xing)程開關(guan)5切斷(duan)(duan)儲(chu)(chu)能(neng)(neng)(neng)(neng)(neng)(neng)(neng)電(dian)(dian)(dian)機(ji)(ji)(ji)14的(de)(de)電(dian)(dian)(dian)源，并(bing)且(qie)儲(chu)(chu)能(neng)(neng)(neng)(neng)(neng)(neng)(neng)棘爪被抬起，與(yu)棘輪(lun)可靠(kao)(kao)脫(tuo)離。2、合(he)閘(zha)(zha)操(cao)作過(guo)(guo)(guo)程當(dang)機(ji)(ji)(ji)構(gou)(gou)接到(dao)合(he)閘(zha)(zha)信號后(hou)（開關(guan)處于斷(duan)(duan)開，已儲(chu)(chu)能(neng)(neng)(neng)(neng)(neng)(neng)(neng)狀(zhuang)態(tai)），合(he)閘(zha)(zha)電(dian)(dian)(dian)磁(ci)鐵(tie)15的(de)(de)鐵(tie)心被吸(xi)向(xiang)(xiang)下運動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)，拉動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)定位件13向(xiang)(xiang)逆時針(zhen)方(fang)向(xiang)(xiang)轉(zhuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)，解除儲(chu)(chu)能(neng)(neng)(neng)(neng)(neng)(neng)(neng)維持，合(he)閘(zha)(zha)彈(dan)簧(huang)(huang)21帶動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)儲(chu)(chu)能(neng)(neng)(neng)(neng)(neng)(neng)(neng)軸(zhou)(zhou)(zhou)套(tao)(tao)32逆時針(zhen)方(fang)向(xiang)(xiang)轉(zhuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)，其凸輪(lun)壓動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)傳動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)軸(zhou)(zhou)(zhou)套(tao)(tao)30，帶動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)連板(ban)29及(ji)搖(yao)臂27運動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)，使(shi)(shi)(shi)搖(yao)臂27扣住(zhu)(zhu)半(ban)軸(zhou)(zhou)(zhou)25，使(shi)(shi)(shi)機(ji)(ji)(ji)構(gou)(gou)處于合(he)閘(zha)(zha)狀(zhuang)態(tai)。此(ci)時，連鎖裝置28鎖住(zhu)(zhu)定位件，使(shi)(shi)(shi)定位牛不能(neng)(neng)(neng)(neng)(neng)(neng)(neng)逆時針(zhen)方(fang)向(xiang)(xiang)轉(zhuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)，達到(dao)機(ji)(ji)(ji)構(gou)(gou)聯銷的(de)(de)目的(de)(de)，保證(zheng)了機(ji)(ji)(ji)構(gou)(gou)在合(he)閘(zha)(zha)位置不能(neng)(neng)(neng)(neng)(neng)(neng)(neng)合(he)閘(zha)(zha)操(cao)作。3、分(fen)閘(zha)(zha)操(cao)作過(guo)(guo)(guo)程斷(duan)(duan)路(lu)器(qi)(qi)合(he)閘(zha)(zha)后(hou)，分(fen)閘(zha)(zha)電(dian)(dian)(dian)磁(ci)鐵(tie)接到(dao)信號，鐵(tie)芯吸(xi)合(he)，分(fen)閘(zha)(zha)脫(tuo)扣器(qi)(qi)19中的(de)(de)頂(ding)桿向(xiang)(xiang)上(shang)(shang)運動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)，使(shi)(shi)(shi)脫(tuo)扣軸(zhou)(zhou)(zhou)16轉(zhuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)，帶動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)頂(ding)桿18向(xiang)(xiang)上(shang)(shang)運動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)，頂(ding)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)彎板(ban)26并(bing)帶動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)半(ban)軸(zhou)(zhou)(zhou)25向(xiang)(xiang)反時針(zhen)方(fang)向(xiang)(xiang)轉(zhuan)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)。半(ban)軸(zhou)(zhou)(zhou)25與(yu)搖(yao)臂27解扣，在分(fen)閘(zha)(zha)彈(dan)簧(huang)(huang)的(de)(de)作用下，斷(duan)(duan)路(lu)器(qi)(qi)完成分(fen)閘(zha)(zha)操(cao)作。

真空(kong)斷(duan)(duan)(duan)路器的(de)特點1、優點1）在密封的(de)容(rong)器中(zhong)熄弧(hu)(hu)，電弧(hu)(hu)和熾熱(re)氣(qi)體不(bu)外露(lu)。滅(mie)弧(hu)(hu)室(shi)作(zuo)為它(ta)的(de)元件，安裝調試簡單方便(bian)。2）觸頭間(jian)隙很小(xiao)(xiao)，一(yi)般(ban)在10mm左(zuo)右，合閘(zha)(zha)功(gong)率(lv)(lv)小(xiao)(xiao)，機構簡單，使用(yong)(yong)壽命長。3）熄弧(hu)(hu)時(shi)間(jian)短，弧(hu)(hu)壓(ya)低，電弧(hu)(hu)能量(liang)小(xiao)(xiao)，觸頭損耗小(xiao)(xiao)，開(kai)(kai)斷(duan)(duan)(duan)次(ci)數(shu)多(duo)。4）動(dong)導桿的(de)慣(guan)性(xing)小(xiao)(xiao)，適(shi)用(yong)(yong)于頻繁操作(zuo)。5）操動(dong)機構小(xiao)(xiao)，整體體積小(xiao)(xiao)，重量(liang)輕。6）控制功(gong)率(lv)(lv)小(xiao)(xiao)，開(kai)(kai)關(guan)操作(zuo)時(shi)動(dong)作(zuo)噪(zao)音小(xiao)(xiao)。7）滅(mie)弧(hu)(hu)介(jie)質(zhi)(zhi)或(huo)絕(jue)緣介(jie)質(zhi)(zhi)不(bu)用(yong)(yong)油，沒(mei)有(you)火災(zai)危(wei)險。8）觸頭部分為完(wan)全密封結構，不(bu)會因潮氣(qi)、灰塵(chen)、有(you)害氣(qi)體等影響而降低其性(xing)能，工(gong)作(zuo)可(ke)(ke)靠，通斷(duan)(duan)(duan)性(xing)能穩定。9）真空(kong)斷(duan)(duan)(duan)路器開(kai)(kai)斷(duan)(duan)(duan)后斷(duan)(duan)(duan)口間(jian)介(jie)質(zhi)(zhi)恢(hui)復快，介(jie)質(zhi)(zhi)不(bu)需要更換。10）在真空(kong)開(kai)(kai)關(guan)管的(de)使用(yong)(yong)年限內，觸頭部分不(bu)需要維修檢查(cha)，一(yi)般(ban)可(ke)(ke)達20年左(zuo)右不(bu)需檢修。維護工(gong)作(zuo)量(liang)小(xiao)(xiao)，維護成(cheng)本低。11）具有(you)多(duo)次(ci)重合閘(zha)(zha)功(gong)能，適(shi)合配電網中(zhong)的(de)應用(yong)(yong)要求。真空(kong)斷(duan)(duan)(duan)路器設備，就(jiu)選浙江豫峰電氣(qi)有(you)限公司，用(yong)(yong)戶的(de)信賴之選，有(you)需求可(ke)(ke)以來電咨詢！

真空斷路器(qi)的作(zuo)用和(he)功能

1、采用(yong)真空(kong)(kong)(kong)(kong)(kong)斷(duan)路器(qi)的(de)斷(duan)路器(qi)柜具有過(guo)(guo)載、欠壓(ya)、短路的(de)保護(hu)(hu)功(gong)能(neng)，可(ke)以(yi)保護(hu)(hu)線路和(he)設(she)備(bei)不(bu)因故(gu)障損(sun)壞(huai)。2、真空(kong)(kong)(kong)(kong)(kong)斷(duan)路器(qi)因為(wei)(wei)其滅(mie)(mie)(mie)弧(hu)介質(zhi)(zhi)和(he)滅(mie)(mie)(mie)弧(hu)后的(de)觸(chu)頭(tou)(tou)絕緣(yuan)介質(zhi)(zhi)均為(wei)(wei)高真空(kong)(kong)(kong)(kong)(kong)而稱(cheng)為(wei)(wei)真空(kong)(kong)(kong)(kong)(kong)斷(duan)路器(qi)，當動、靜(jing)觸(chu)頭(tou)(tou)在操(cao)作(zuo)機(ji)(ji)構的(de)作(zuo)用(yong)下分閘時(shi)(shi)(shi)，觸(chu)頭(tou)(tou)間產生(sheng)電(dian)(dian)弧(hu)，觸(chu)頭(tou)(tou)表面在高溫下揮發(fa)出(chu)蒸(zheng)汽(qi)，由于觸(chu)頭(tou)(tou)設(she)計為(wei)(wei)特(te)殊形狀，在電(dian)(dian)流通過(guo)(guo)時(shi)(shi)(shi)產生(sheng)一(yi)磁場，電(dian)(dian)弧(hu)在此磁場作(zuo)用(yong)下沿觸(chu)頭(tou)(tou)表面切線方向快速運動，在金屬(shu)(shu)圓筒(屏蔽罩)上凝結了部分金屬(shu)(shu)蒸(zheng)汽(qi)，電(dian)(dian)弧(hu)在自(zi)然過(guo)(guo)零時(shi)(shi)(shi)就熄滅(mie)(mie)(mie)了，觸(chu)頭(tou)(tou)間的(de)介質(zhi)(zhi)強度又(you)迅速恢復起來。3、真空(kong)(kong)(kong)(kong)(kong)斷(duan)路器(qi)體積小，可(ke)以(yi)頻(pin)繁(fan)操(cao)作(zuo)，滅(mie)(mie)(mie)弧(hu)介質(zhi)(zhi)不(bu)用(yong)檢修。4、采用(yong)永(yong)磁機(ji)(ji)構的(de)真空(kong)(kong)(kong)(kong)(kong)斷(duan)路器(qi)，運動機(ji)(ji)構更少，無需機(ji)(ji)構脫、鎖裝置，故(gu)障源少，可(ke)靠性高，終生(sheng)免維(wei)護(hu)(hu)。浙(zhe)江(jiang)豫(yu)峰電(dian)(dian)氣有限公司真空(kong)(kong)(kong)(kong)(kong)斷(duan)路器(qi)設(she)備(bei)值得用(yong)戶放心。浙(zhe)江(jiang)永(yong)磁真空(kong)(kong)(kong)(kong)(kong)斷(duan)路器(qi)廠(chang)價

浙江豫峰電氣有(you)限公司是一家專業(ye)提(ti)供(gong)真空斷路(lu)器設備(bei)的公司，有(you)需(xu)求可以來電咨詢！西(xi)藏(zang)永(yong)磁(ci)高壓真空斷路(lu)器圖片(pian)

真(zhen)空(kong)(kong)(kong)斷(duan)(duan)路(lu)(lu)器工作原理“真(zhen)空(kong)(kong)(kong)斷(duan)(duan)路(lu)(lu)器”因其滅(mie)弧介(jie)質和滅(mie)弧后觸頭間隙(xi)(xi)的(de)(de)(de)絕緣(yuan)介(jie)質都是真(zhen)空(kong)(kong)(kong)而(er)得名，其具有(you)體(ti)積(ji)孝重量(liang)輕、適用于頻繁(fan)操作、滅(mie)弧不用檢修的(de)(de)(de)優點，因此(ci)在(zai)配(pei)電(dian)網中應(ying)用較(jiao)為普及。真(zhen)空(kong)(kong)(kong)斷(duan)(duan)路(lu)(lu)器工作原理并(bing)不復雜：1、陰(yin)極(ji)引(yin)(yin)起的(de)(de)(de)擊(ji)穿：在(zai)強電(dian)場下(xia)，由(you)于場發(fa)(fa)射電(dian)流(liu)的(de)(de)(de)焦耳發(fa)(fa)熱效應(ying)，使(shi)陰(yin)極(ji)表面(mian)突(tu)出物的(de)(de)(de)溫度(du)升(sheng)高(gao)，當溫度(du)達到臨界點時，突(tu)出物熔(rong)化(hua)產(chan)生(sheng)(sheng)蒸汽引(yin)(yin)起擊(ji)穿。2、陽極(ji)引(yin)(yin)起的(de)(de)(de)擊(ji)穿：由(you)于陰(yin)極(ji)發(fa)(fa)射的(de)(de)(de)電(dian)子束，轟擊(ji)陽極(ji)使(shi)某點發(fa)(fa)熱產(chan)生(sheng)(sheng)熔(rong)化(hua)和蒸汽而(er)發(fa)(fa)生(sheng)(sheng)間隙(xi)(xi)擊(ji)穿。產(chan)生(sheng)(sheng)陽極(ji)引(yin)(yin)起擊(ji)穿的(de)(de)(de)條(tiao)件與電(dian)場提高(gao)系數和間隙(xi)(xi)距離有(you)關。西藏(zang)永磁(ci)高(gao)壓真(zhen)空(kong)(kong)(kong)斷(duan)(duan)路(lu)(lu)器圖(tu)片(pian)

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