避(bi)(bi)(bi)(bi)雷(lei)(lei)(lei)(lei)(lei)(lei)針(zhen)的(de)(de)(de)(de)導電(dian)性能主要(yao)(yao)是通(tong)(tong)過(guo)其(qi)金(jin)屬材料(liao)實現的(de)(de)(de)(de)。金(jin)屬材料(liao)具(ju)有(you)較好的(de)(de)(de)(de)導電(dian)性能，可(ke)以(yi)將(jiang)雷(lei)(lei)(lei)(lei)(lei)(lei)電(dian)能量(liang)快速(su)地(di)引(yin)(yin)入(ru)(ru)(ru)地(di)下(xia)。在避(bi)(bi)(bi)(bi)雷(lei)(lei)(lei)(lei)(lei)(lei)針(zhen)的(de)(de)(de)(de)安裝過(guo)程中，需(xu)要(yao)(yao)將(jiang)避(bi)(bi)(bi)(bi)雷(lei)(lei)(lei)(lei)(lei)(lei)針(zhen)與建(jian)筑(zhu)物(wu)的(de)(de)(de)(de)接地(di)系統連接起來，這樣可(ke)以(yi)將(jiang)雷(lei)(lei)(lei)(lei)(lei)(lei)電(dian)能量(liang)通(tong)(tong)過(guo)低電(dian)阻的(de)(de)(de)(de)接地(di)系統導入(ru)(ru)(ru)到地(di)面，從而保護(hu)(hu)建(jian)筑(zhu)物(wu)不受(shou)雷(lei)(lei)(lei)(lei)(lei)(lei)電(dian)的(de)(de)(de)(de)損害。此外(wai)，避(bi)(bi)(bi)(bi)雷(lei)(lei)(lei)(lei)(lei)(lei)針(zhen)的(de)(de)(de)(de)頂(ding)端設(she)計也可(ke)以(yi)使其(qi)更容易吸引(yin)(yin)雷(lei)(lei)(lei)(lei)(lei)(lei)電(dian)，并(bing)將(jiang)雷(lei)(lei)(lei)(lei)(lei)(lei)電(dian)能量(liang)引(yin)(yin)導到避(bi)(bi)(bi)(bi)雷(lei)(lei)(lei)(lei)(lei)(lei)針(zhen)上(shang)，然后導入(ru)(ru)(ru)到地(di)面。避(bi)(bi)(bi)(bi)雷(lei)(lei)(lei)(lei)(lei)(lei)針(zhen)的(de)(de)(de)(de)防護(hu)(hu)范圍是其(qi)周邊一定(ding)范圍內的(de)(de)(de)(de)物(wu)體。因此，如果建(jian)筑(zhu)物(wu)在避(bi)(bi)(bi)(bi)雷(lei)(lei)(lei)(lei)(lei)(lei)針(zhen)的(de)(de)(de)(de)防護(hu)(hu)范圍之(zhi)外(wai)，那(nei)么(me)避(bi)(bi)(bi)(bi)雷(lei)(lei)(lei)(lei)(lei)(lei)針(zhen)就無法(fa)保護(hu)(hu)該建(jian)筑(zhu)物(wu)免受(shou)閃(shan)電(dian)的(de)(de)(de)(de)傷(shang)害。主動(dong)優化(hua)避(bi)(bi)(bi)(bi)雷(lei)(lei)(lei)(lei)(lei)(lei)針(zhen)的(de)(de)(de)(de)響應速(su)度(du)極快，可(ke)在雷(lei)(lei)(lei)(lei)(lei)(lei)云(yun)放電(dian)之(zhi)前(qian)提前(qian)感知(zhi)雷(lei)(lei)(lei)(lei)(lei)(lei)電(dian)場強，從而提前(qian)放電(dian)，引(yin)(yin)導雷(lei)(lei)(lei)(lei)(lei)(lei)電(dian)向避(bi)(bi)(bi)(bi)雷(lei)(lei)(lei)(lei)(lei)(lei)針(zhen)流(liu)動(dong)。衢州常規(gui)避(bi)(bi)(bi)(bi)雷(lei)(lei)(lei)(lei)(lei)(lei)針(zhen)定(ding)制

避(bi)(bi)(bi)雷(lei)針(zhen)(zhen)(zhen)是由(you)金屬材料(liao)制成(cheng)的(de)，但不(bu)(bu)(bu)同(tong)(tong)(tong)材料(liao)制成(cheng)的(de)避(bi)(bi)(bi)雷(lei)針(zhen)(zhen)(zhen)可(ke)能(neng)(neng)有(you)不(bu)(bu)(bu)同(tong)(tong)(tong)的(de)特(te)點(dian)和使(shi)(shi)(shi)用(yong)(yong)效果。例如(ru)，鎢銅(tong)避(bi)(bi)(bi)雷(lei)針(zhen)(zhen)(zhen)是一種常(chang)見的(de)避(bi)(bi)(bi)雷(lei)裝置，它由(you)鎢銅(tong)合金材料(liao)制成(cheng)。鎢銅(tong)合金材料(liao)具有(you)高熔點(dian)、高硬度、抗(kang)燒(shao)損(sun)等(deng)優點(dian)，同(tong)(tong)(tong)時具有(you)優良的(de)導(dao)電性(xing)、導(dao)熱性(xing)、耐(nai)高溫性(xing)和抗(kang)粘附性(xing)。這些特(te)點(dian)使(shi)(shi)(shi)得鎢銅(tong)避(bi)(bi)(bi)雷(lei)針(zhen)(zhen)(zhen)具有(you)較(jiao)好的(de)導(dao)電性(xing)能(neng)(neng)和耐(nai)久性(xing)，可(ke)以(yi)有(you)效地保護建筑(zhu)物或高大樹木等(deng)避(bi)(bi)(bi)免被(bei)雷(lei)擊。除了鎢銅(tong)避(bi)(bi)(bi)雷(lei)針(zhen)(zhen)(zhen)，還(huan)有(you)其他材料(liao)制成(cheng)的(de)避(bi)(bi)(bi)雷(lei)針(zhen)(zhen)(zhen)，如(ru)鍍(du)鋅鋼(gang)管避(bi)(bi)(bi)雷(lei)針(zhen)(zhen)(zhen)。這種避(bi)(bi)(bi)雷(lei)針(zhen)(zhen)(zhen)采(cai)用(yong)(yong)鍍(du)鋅鋼(gang)管作為支(zhi)撐(cheng)桿(gan)和接地體，具有(you)較(jiao)好的(de)防腐蝕性(xing)能(neng)(neng)和機械強度，可(ke)以(yi)延長避(bi)(bi)(bi)雷(lei)針(zhen)(zhen)(zhen)的(de)使(shi)(shi)(shi)用(yong)(yong)壽命。總之，不(bu)(bu)(bu)同(tong)(tong)(tong)材料(liao)制成(cheng)的(de)避(bi)(bi)(bi)雷(lei)針(zhen)(zhen)(zhen)可(ke)能(neng)(neng)具有(you)不(bu)(bu)(bu)同(tong)(tong)(tong)的(de)特(te)點(dian)和使(shi)(shi)(shi)用(yong)(yong)效果，需要根據(ju)實(shi)際情況(kuang)進行(xing)選擇和使(shi)(shi)(shi)用(yong)(yong)。金華預放電避(bi)(bi)(bi)雷(lei)針(zhen)(zhen)(zhen)排(pai)名杭州雷(lei)鴻通信科技(ji)有(you)限公司(si)防雷(lei)工程備(bei)受信賴(lai)！

避(bi)(bi)雷(lei)(lei)(lei)針是一種用于保護(hu)建筑物、高大(da)樹(shu)木(mu)等避(bi)(bi)免(mian)雷(lei)(lei)(lei)擊(ji)的(de)(de)裝置。它通(tong)(tong)過將(jiang)雷(lei)(lei)(lei)電(dian)(dian)(dian)引向自(zi)(zi)身，然后通(tong)(tong)過接(jie)地(di)(di)(di)(di)線(xian)將(jiang)電(dian)(dian)(dian)流(liu)(liu)引入大(da)地(di)(di)(di)(di)，從而保護(hu)周圍物體(ti)免(mian)受雷(lei)(lei)(lei)擊(ji)。避(bi)(bi)雷(lei)(lei)(lei)針通(tong)(tong)常由一根接(jie)閃器安(an)裝在(zai)被保護(hu)物的(de)(de)頂端，用符合規(gui)格(ge)的(de)(de)導線(xian)與(yu)埋在(zai)地(di)(di)(di)(di)下的(de)(de)泄(xie)流(liu)(liu)地(di)(di)(di)(di)網連接(jie)起來。當(dang)雷(lei)(lei)(lei)云放(fang)(fang)電(dian)(dian)(dian)接(jie)近地(di)(di)(di)(di)面時，避(bi)(bi)雷(lei)(lei)(lei)針使地(di)(di)(di)(di)面電(dian)(dian)(dian)場發生(sheng)畸變(bian)，在(zai)避(bi)(bi)雷(lei)(lei)(lei)針的(de)(de)頂端形成(cheng)局(ju)部電(dian)(dian)(dian)場集中的(de)(de)空間，影(ying)響雷(lei)(lei)(lei)電(dian)(dian)(dian)先導放(fang)(fang)電(dian)(dian)(dian)的(de)(de)發展方(fang)向，引導雷(lei)(lei)(lei)電(dian)(dian)(dian)向避(bi)(bi)雷(lei)(lei)(lei)針放(fang)(fang)電(dian)(dian)(dian)，再通(tong)(tong)過接(jie)地(di)(di)(di)(di)引下線(xian)和(he)接(jie)地(di)(di)(di)(di)裝置將(jiang)雷(lei)(lei)(lei)電(dian)(dian)(dian)流(liu)(liu)引入大(da)地(di)(di)(di)(di)，從而使被保護(hu)物體(ti)免(mian)遭雷(lei)(lei)(lei)擊(ji)。避(bi)(bi)雷(lei)(lei)(lei)針的(de)(de)原理(li)是基于頂端放(fang)(fang)電(dian)(dian)(dian)原理(li)，即當(dang)避(bi)(bi)雷(lei)(lei)(lei)針的(de)(de)頂端處于強電(dian)(dian)(dian)場中時，它會產(chan)生(sheng)電(dian)(dian)(dian)暈放(fang)(fang)電(dian)(dian)(dian)，將(jiang)空氣中的(de)(de)水分和(he)灰塵電(dian)(dian)(dian)離(li)并形成(cheng)電(dian)(dian)(dian)流(liu)(liu)，從而將(jiang)雷(lei)(lei)(lei)電(dian)(dian)(dian)引向自(zi)(zi)身并瀉(xie)入大(da)地(di)(di)(di)(di)。

預放(fang)(fang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)避雷(lei)(lei)針(zhen)(zhen)(zhen)(zhen)具(ju)(ju)有(you)以(yi)下特(te)殊(shu)(shu)形狀和材料：針(zhen)(zhen)(zhen)(zhen)尖(jian)：預放(fang)(fang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)避雷(lei)(lei)針(zhen)(zhen)(zhen)(zhen)的針(zhen)(zhen)(zhen)(zhen)尖(jian)通(tong)(tong)(tong)常采(cai)(cai)用不銹(xiu)鋼(gang)或鈦(tai)合金(jin)等材料，具(ju)(ju)有(you)較高(gao)的強(qiang)度(du)和耐腐蝕性能(neng)(neng)。同時，針(zhen)(zhen)(zhen)(zhen)尖(jian)的形狀也經過特(te)殊(shu)(shu)設計，可(ke)(ke)以(yi)加(jia)速(su)(su)(su)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)離(li)(li)速(su)(su)(su)度(du)，提高(gao)導(dao)(dao)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)性能(neng)(neng)。針(zhen)(zhen)(zhen)(zhen)身：預放(fang)(fang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)避雷(lei)(lei)針(zhen)(zhen)(zhen)(zhen)的針(zhen)(zhen)(zhen)(zhen)身通(tong)(tong)(tong)常采(cai)(cai)用鋼(gang)管或鋁(lv)合金(jin)等材料，具(ju)(ju)有(you)較好的導(dao)(dao)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)性能(neng)(neng)和機(ji)械強(qiang)度(du)。同時，針(zhen)(zhen)(zhen)(zhen)身也經過特(te)殊(shu)(shu)設計，可(ke)(ke)以(yi)優(you)化電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)的泄(xie)放(fang)(fang)路徑(jing)和速(su)(su)(su)度(du)。接(jie)(jie)地系統：預放(fang)(fang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)避雷(lei)(lei)針(zhen)(zhen)(zhen)(zhen)采(cai)(cai)用優(you)化的接(jie)(jie)地系統，可(ke)(ke)以(yi)更有(you)效地將雷(lei)(lei)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)引入地面(mian)。接(jie)(jie)地系統通(tong)(tong)(tong)常由多(duo)個金(jin)屬(shu)導(dao)(dao)體組成(cheng)，可(ke)(ke)以(yi)分散雷(lei)(lei)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)，降(jiang)低(di)接(jie)(jie)地電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻，提高(gao)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)泄(xie)放(fang)(fang)速(su)(su)(su)度(du)。絕緣材料：預放(fang)(fang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)避雷(lei)(lei)針(zhen)(zhen)(zhen)(zhen)在(zai)針(zhen)(zhen)(zhen)(zhen)尖(jian)和針(zhen)(zhen)(zhen)(zhen)身之間(jian)通(tong)(tong)(tong)常采(cai)(cai)用絕緣材料進行隔(ge)離(li)(li)，以(yi)防(fang)止電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)直接(jie)(jie)從(cong)針(zhen)(zhen)(zhen)(zhen)尖(jian)傳導(dao)(dao)到針(zhen)(zhen)(zhen)(zhen)身。絕緣材料通(tong)(tong)(tong)常具(ju)(ju)有(you)較高(gao)的電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)氣性能(neng)(neng)和耐高(gao)溫性能(neng)(neng)。總之，預放(fang)(fang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)避雷(lei)(lei)針(zhen)(zhen)(zhen)(zhen)的特(te)殊(shu)(shu)形狀和材料可(ke)(ke)以(yi)加(jia)速(su)(su)(su)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)離(li)(li)速(su)(su)(su)度(du)、提高(gao)導(dao)(dao)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)性能(neng)(neng)、優(you)化電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)泄(xie)放(fang)(fang)路徑(jing)和速(su)(su)(su)度(du)、降(jiang)低(di)接(jie)(jie)地電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻、提高(gao)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)泄(xie)放(fang)(fang)速(su)(su)(su)度(du)等，從(cong)而(er)保護建(jian)筑物和人(ren)身安全。杭州雷(lei)(lei)鴻通(tong)(tong)(tong)信科技有(you)限公司預放(fang)(fang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)避雷(lei)(lei)針(zhen)(zhen)(zhen)(zhen)安全可(ke)(ke)靠！

預放(fang)(fang)電(dian)(dian)(dian)避(bi)(bi)(bi)(bi)雷針(zhen)的(de)啟(qi)動(dong)時間(jian)是根(gen)據(ju)電(dian)(dian)(dian)場(chang)強度和電(dian)(dian)(dian)離(li)速(su)度等因(yin)素來(lai)確(que)定(ding)的(de)。當雷電(dian)(dian)(dian)場(chang)強達到一定(ding)值時，預放(fang)(fang)電(dian)(dian)(dian)避(bi)(bi)(bi)(bi)雷針(zhen)的(de)頂端(duan)附(fu)近會開始(shi)電(dian)(dian)(dian)離(li)，產(chan)生大量的(de)自(zi)由電(dian)(dian)(dian)子(zi)和離(li)子(zi)，形(xing)成(cheng)導電(dian)(dian)(dian)通道。這(zhe)些(xie)自(zi)由電(dian)(dian)(dian)子(zi)和離(li)子(zi)在(zai)電(dian)(dian)(dian)場(chang)力(li)的(de)作用(yong)下，會向地面(mian)運動(dong)，形(xing)成(cheng)電(dian)(dian)(dian)流。這(zhe)個過(guo)程(cheng)就是預放(fang)(fang)電(dian)(dian)(dian)避(bi)(bi)(bi)(bi)雷針(zhen)的(de)啟(qi)動(dong)過(guo)程(cheng)。預放(fang)(fang)電(dian)(dian)(dian)避(bi)(bi)(bi)(bi)雷針(zhen)的(de)啟(qi)動(dong)時間(jian)比普通避(bi)(bi)(bi)(bi)雷針(zhen)更早(zao)，因(yin)為它(ta)的(de)頂端(duan)形(xing)狀和材料等因(yin)素可以(yi)(yi)(yi)加速(su)電(dian)(dian)(dian)離(li)速(su)度，提(ti)高導電(dian)(dian)(dian)性能。在(zai)雷電(dian)(dian)(dian)場(chang)強較低時，預放(fang)(fang)電(dian)(dian)(dian)避(bi)(bi)(bi)(bi)雷針(zhen)就可以(yi)(yi)(yi)開始(shi)啟(qi)動(dong)，從而提(ti)前將雷電(dian)(dian)(dian)引(yin)入地面(mian)，保護建筑物免受雷電(dian)(dian)(dian)的(de)損害(hai)。總之，預放(fang)(fang)電(dian)(dian)(dian)避(bi)(bi)(bi)(bi)雷針(zhen)的(de)啟(qi)動(dong)時間(jian)是與雷電(dian)(dian)(dian)場(chang)強、電(dian)(dian)(dian)離(li)速(su)度以(yi)(yi)(yi)及頂端(duan)形(xing)狀和材料等因(yin)素有關的(de)復雜(za)過(guo)程(cheng)。預放(fang)(fang)電(dian)(dian)(dian)避(bi)(bi)(bi)(bi)雷針(zhen)推薦杭州雷鴻(hong)通信(xin)科(ke)技有限公司！杭州避(bi)(bi)(bi)(bi)雷塔安裝

防雷工(gong)程怕不靠譜(pu)，杭州雷鴻通(tong)信科技有限公司為您(nin)保障品質！衢(qu)州常規(gui)避雷針定制

避(bi)(bi)雷(lei)(lei)(lei)(lei)是指(zhi)通(tong)過一定的(de)(de)(de)(de)方法措施(shi)，躲避(bi)(bi)由(you)雷(lei)(lei)(lei)(lei)電(dian)引起(qi)的(de)(de)(de)(de)對(dui)其不利的(de)(de)(de)(de)沖擊波和(he)電(dian)流，如(ru)人(ren)員避(bi)(bi)免(mian)雷(lei)(lei)(lei)(lei)擊或者減少雷(lei)(lei)(lei)(lei)擊可(ke)能(neng)引起(qi)的(de)(de)(de)(de)人(ren)員傷亡、財產損失(shi)。避(bi)(bi)雷(lei)(lei)(lei)(lei)針(zhen)是一種用(yong)于避(bi)(bi)雷(lei)(lei)(lei)(lei)的(de)(de)(de)(de)設(she)備，通(tong)過將雷(lei)(lei)(lei)(lei)電(dian)吸引到避(bi)(bi)雷(lei)(lei)(lei)(lei)針(zhen)上(shang)，從而保(bao)護周(zhou)圍(wei)的(de)(de)(de)(de)建筑(zhu)(zhu)物(wu)(wu)或其他設(she)備免(mian)受(shou)雷(lei)(lei)(lei)(lei)電(dian)的(de)(de)(de)(de)直接(jie)沖擊。避(bi)(bi)雷(lei)(lei)(lei)(lei)針(zhen)通(tong)常安(an)裝在(zai)(zai)(zai)(zai)(zai)房屋、高(gao)樓、煙囪等(deng)建筑(zhu)(zhu)物(wu)(wu)上(shang)，以(yi)(yi)便將雷(lei)(lei)(lei)(lei)電(dian)引入(ru)地下。在(zai)(zai)(zai)(zai)(zai)戶(hu)外活動(dong)時(shi)，應盡(jin)量避(bi)(bi)免(mian)在(zai)(zai)(zai)(zai)(zai)雷(lei)(lei)(lei)(lei)雨(yu)天氣中行走或活動(dong)，并注意以(yi)(yi)下幾點：尋找遮蔽處(chu)：在(zai)(zai)(zai)(zai)(zai)戶(hu)外遇到雷(lei)(lei)(lei)(lei)雨(yu)時(shi)，應盡(jin)快(kuai)找到有(you)遮蔽的(de)(de)(de)(de)地方，如(ru)建筑(zhu)(zhu)物(wu)(wu)、汽車(che)內(nei)等(deng)。不要(yao)(yao)站(zhan)在(zai)(zai)(zai)(zai)(zai)高(gao)處(chu)：避(bi)(bi)免(mian)站(zhan)在(zai)(zai)(zai)(zai)(zai)高(gao)處(chu)或暴(bao)露在(zai)(zai)(zai)(zai)(zai)外的(de)(de)(de)(de)物(wu)(wu)體上(shang)，以(yi)(yi)免(mian)成(cheng)為雷(lei)(lei)(lei)(lei)擊的(de)(de)(de)(de)目標。遠離(li)金(jin)屬(shu)物(wu)(wu)品(pin)：在(zai)(zai)(zai)(zai)(zai)雷(lei)(lei)(lei)(lei)雨(yu)天氣中，應遠離(li)金(jin)屬(shu)物(wu)(wu)品(pin)，如(ru)鐵欄桿(gan)、金(jin)屬(shu)桿(gan)等(deng)，以(yi)(yi)避(bi)(bi)免(mian)被(bei)雷(lei)(lei)(lei)(lei)擊中。不要(yao)(yao)使用(yong)手機(ji)：在(zai)(zai)(zai)(zai)(zai)雷(lei)(lei)(lei)(lei)雨(yu)天氣中，不要(yao)(yao)使用(yong)手機(ji)等(deng)無線通(tong)訊(xun)設(she)備，以(yi)(yi)免(mian)引來(lai)雷(lei)(lei)(lei)(lei)電(dian)。不要(yao)(yao)接(jie)觸水(shui)源：在(zai)(zai)(zai)(zai)(zai)雷(lei)(lei)(lei)(lei)雨(yu)天氣中，不要(yao)(yao)接(jie)觸水(shui)源，如(ru)河流、湖泊等(deng)，以(yi)(yi)避(bi)(bi)免(mian)被(bei)電(dian)擊。總之(zhi)，在(zai)(zai)(zai)(zai)(zai)雷(lei)(lei)(lei)(lei)雨(yu)天氣中，要(yao)(yao)注意保(bao)護自己，避(bi)(bi)免(mian)成(cheng)為雷(lei)(lei)(lei)(lei)電(dian)的(de)(de)(de)(de)目標。同時(shi)，也要(yao)(yao)注意周(zhou)圍(wei)環境，選擇合適的(de)(de)(de)(de)避(bi)(bi)雷(lei)(lei)(lei)(lei)措施(shi)。衢州常規避(bi)(bi)雷(lei)(lei)(lei)(lei)針(zhen)定制

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