▲桥(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)(jia)跨(kua)接(jie)(jie)线(xian)(xian)(xian)连(lian)(lian)接(jie)(jie)要(yao)(yao)(yao)注意：用抓(zhua)垫(dian)(dian)(dian)(dian)、平(ping)垫(dian)(dian)(dian)(dian)或把喷(pen)(pen)塑(su)桥(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)(jia)的(de)(de)(de)(de)(de)(de)(de)漆刮掉再用平(ping)垫(dian)(dian)(dian)(dian)、弹簧垫(dian)(dian)(dian)(dian)压(ya)紧。镀锌电(dian)(dian)缆桥(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)(jia)间(jian)连(lian)(lian)接(jie)(jie)板的(de)(de)(de)(de)(de)(de)(de)两(liang)端不(bu)(bu)跨(kua)接(jie)(jie)接(jie)(jie)地(di)(di)线(xian)(xian)(xian)，但连(lian)(lian)接(jie)(jie)板两(liang)端不(bu)(bu)少于(yu)2个有(you)防(fang)松(song)螺(luo)帽或防(fang)松(song)垫(dian)(dian)(dian)(dian)圈的(de)(de)(de)(de)(de)(de)(de)连(lian)(lian)接(jie)(jie)固(gu)定(ding)螺(luo)栓（强标）。至于(yu)支(zhi)架(jia)(jia)(jia)(jia)(jia)(jia)(jia)的(de)(de)(de)(de)(de)(de)(de)接(jie)(jie)地(di)(di)，就是(shi)把支(zhi)架(jia)(jia)(jia)(jia)(jia)(jia)(jia)与桥(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)(jia)连(lian)(lian)接(jie)(jie)处固(gu)定(ding)刮漆就可以(yi)（或是(shi)抓(zhua)垫(dian)(dian)(dian)(dian)）。接(jie)(jie)地(di)(di)线(xian)(xian)(xian)小截面不(bu)(bu)小于(yu)4平(ping)方米(mi)。▲金(jin)属电(dian)(dian)缆桥(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)(jia)及(ji)(ji)其(qi)支(zhi)架(jia)(jia)(jia)(jia)(jia)(jia)(jia)全(quan)长应(ying)不(bu)(bu)少于(yu)2处与接(jie)(jie)地(di)(di)（PE）或接(jie)(jie)零(ling)（PEN）干(gan)线(xian)(xian)(xian)相连(lian)(lian)接(jie)(jie)；▲跨(kua)接(jie)(jie)线(xian)(xian)(xian)压(ya)线(xian)(xian)(xian)处细部(bu)做法(fa)：注意垫(dian)(dian)(dian)(dian)片及(ji)(ji)顺序(xu)及(ji)(ji)螺(luo)栓外露的(de)(de)(de)(de)(de)(de)(de)长度及(ji)(ji)接(jie)(jie)地(di)(di)标识、螺(luo)栓的(de)(de)(de)(de)(de)(de)(de)位(wei)置(zhi)；不(bu)(bu)能用连(lian)(lian)接(jie)(jie)螺(luo)栓固(gu)定(ding)跨(kua)接(jie)(jie)线(xian)(xian)(xian)。螺(luo)栓的(de)(de)(de)(de)(de)(de)(de)个数；压(ya)接(jie)(jie)位(wei)置(zhi)破漆压(ya)接(jie)(jie)不(bu)(bu)够规范，没弹簧垫(dian)(dian)(dian)(dian)及(ji)(ji)平(ping)垫(dian)(dian)(dian)(dian)错误的(de)(de)(de)(de)(de)(de)(de)压(ya)接(jie)(jie)，顺序(xu)不(bu)(bu)对重要(yao)(yao)(yao)房间(jian)桥(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)(jia)的(de)(de)(de)(de)(de)(de)(de)接(jie)(jie)地(di)(di)重要(yao)(yao)(yao)房间(jian)桥(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)(jia)的(de)(de)(de)(de)(de)(de)(de)接(jie)(jie)地(di)(di)电(dian)(dian)井内桥(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)(jia)接(jie)(jie)地(di)(di)及(ji)(ji)表(biao)识▲桥(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)(jia)的(de)(de)(de)(de)(de)(de)(de)安(an)装：横(heng)平(ping)竖直，弯头处要(yao)(yao)(yao)平(ping)缓。当桥(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)(jia)分层时，用组(zu)合架(jia)(jia)(jia)(jia)(jia)(jia)(jia)。▲桥(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)(jia)内部(bu)要(yao)(yao)(yao)加设防(fang)火封(feng)堵(du)或加设防(fang)火包。▲钢制(zhi)30米(mi)，铝(lv)合金(jin)及(ji)(ji)塑(su)料的(de)(de)(de)(de)(de)(de)(de)15米(mi)要(yao)(yao)(yao)加伸缩(suo)节(jie)。过建筑物变形缝处（伸缩(suo)缝、沉降缝）加补偿装置(zhi)。▲桥(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)(jia)的(de)(de)(de)(de)(de)(de)(de)支(zhi)架(jia)(jia)(jia)(jia)(jia)(jia)(jia)间(jian)距一般(ban)要(yao)(yao)(yao)求水平(ping)的(de)(de)(de)(de)(de)(de)(de)为(wei)(wei)1.5-3米(mi)，垂直的(de)(de)(de)(de)(de)(de)(de)为(wei)(wei)2米(mi)一个。▲螺(luo)母位(wei)于(yu)桥(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)(jia)的(de)(de)(de)(de)(de)(de)(de)外侧。当支(zhi)架(jia)(jia)(jia)(jia)(jia)(jia)(jia)与铝(lv)合金(jin)桥(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)(jia)连(lian)(lian)接(jie)(jie)时，注意防(fang)电(dian)(dian)化措施。▲注意转弯处支(zhi)架(jia)(jia)(jia)(jia)(jia)(jia)(jia)的(de)(de)(de)(de)(de)(de)(de)设置(zhi)。▲配电(dian)(dian)室大(da)型桥(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)(jia)要(yao)(yao)(yao)采用可调(diao)式组(zu)合支(zhi)架(jia)(jia)(jia)(jia)(jia)(jia)(jia)大(da)型工程桥(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)(jia)弯曲度要(yao)(yao)(yao)一致。新(xin)疆地(di)(di)方桥(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)(jia)质(zhi)量(liang)如(ru)何呢？乌鲁木齐喷(pen)(pen)塑(su)桥(qiao)(qiao)(qiao)(qiao)架(jia)(jia)(jia)(jia)(jia)(jia)(jia)好不(bu)(bu)好

三(san)、铝(lv)合金(jin)桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)铝(lv)合金(jin)电缆(lan)(lan)桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)具有外观(guan)漂亮(liang)、结(jie)构简单、式(shi)样独特、荷载能(neng)力大、重量(liang)轻等特点。铝(lv)合金(jin)电缆(lan)(lan)桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)表(biao)面(mian)阳极氧化后，它不(bu)(bu)但抗腐(fu)蚀(shi)、还有抗电磁干扰(rao)，尤其是抗屏(ping)蔽干扰(rao)，这是钢(gang)制桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)不(bu)(bu)可替(ti)代的(de)(de)(de)。当(dang)然价格(ge)也较(jiao)钢(gang)制桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)高(gao)很(hen)多(duo)。缺(que)点是不(bu)(bu)适用于工(gong)程(cheng)防火要求较(jiao)高(gao)的(de)(de)(de)场所。四、网(wang)(wang)(wang)格(ge)式(shi)桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)开(kai)放式(shi)网(wang)(wang)(wang)络桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)顾名思义(yi)又称(cheng)为(wei)：金(jin)属网(wang)(wang)(wang)格(ge)式(shi)电缆(lan)(lan)桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)，开(kai)放式(shi)电缆(lan)(lan)桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)，网(wang)(wang)(wang)状桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)。网(wang)(wang)(wang)格(ge)式(shi)桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)来源于欧(ou)洲，是桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)的(de)(de)(de)发(fa)(fa)展和创新，由于网(wang)(wang)(wang)格(ge)式(shi)的(de)(de)(de)特点，网(wang)(wang)(wang)格(ge)式(shi)桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)不(bu)(bu)适用于室外或有污染腐(fu)蚀(shi)性的(de)(de)(de)空(kong)气及飞溅液(ye)体(ti)的(de)(de)(de)场合；适用于常见于高(gao)集成的(de)(de)(de)数据机房、无尘车间、设备内(nei)外的(de)(de)(de)通信、电气线(xian)路等……昌(chang)吉喷塑桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)批(pi)发(fa)(fa)伊宁桥(qiao)(qiao)(qiao)架(jia)(jia)(jia)批(pi)发(fa)(fa)商在哪(na)？

三、电(dian)(dian)(dian)(dian)(dian)缆(lan)桥(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)的(de)(de)材(cai)质(zhi)分类：1.玻璃(li)钢(gang)：玻璃(li)钢(gang)电(dian)(dian)(dian)(dian)(dian)缆(lan)桥(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)既有金属桥(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)的(de)(de)刚性，又有玻璃(li)钢(gang)桥(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)的(de)(de)韧性，耐腐(fu)蚀(shi)性能好、抗老化(hua)性能强(qiang)。能广泛(fan)应用(yong)(yong)于石油、化(hua)工、电(dian)(dian)(dian)(dian)(dian)力、轻(qing)工、电(dian)(dian)(dian)(dian)(dian)视、电(dian)(dian)(dian)(dian)(dian)讯(xun)等(deng)方面。2.不(bu)(bu)(bu)锈(xiu)钢(gang)：不(bu)(bu)(bu)锈(xiu)钢(gang)电(dian)(dian)(dian)(dian)(dian)缆(lan)桥(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)的(de)(de)原料是利用(yong)(yong)不(bu)(bu)(bu)同型号材(cai)质(zhi)的(de)(de)不(bu)(bu)(bu)锈(xiu)钢(gang)板材(cai)制造而(er)成(cheng)的(de)(de)，表面一(yi)(yi)般(ban)(ban)不(bu)(bu)(bu)需(xu)处理，其桥(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)的(de)(de)强(qiang)度(du)、耐腐(fu)蚀(shi)度(du)比(bi)一(yi)(yi)般(ban)(ban)桥(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)要高很多。3.铝(lv)(lv)合金：铝(lv)(lv)合金电(dian)(dian)(dian)(dian)(dian)缆(lan)桥(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)，它具有结(jie)构简单、式样新(xin)颖(ying)、载荷大(da)、重量轻(qing)、耐腐(fu)蚀(shi)、使用(yong)(yong)寿命长、安(an)装方便、适(shi)用(yong)(yong)于一(yi)(yi)般(ban)(ban)环境地(di)区(qu)，在(zai)(zai)沿海临雾地(di)区(qu)、高湿度(du)和有腐(fu)蚀(shi)性的(de)(de)环境中(zhong)(zhong)，更能显(xian)示出铝(lv)(lv)合金电(dian)(dian)(dian)(dian)(dian)缆(lan)桥(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)的(de)(de)独特抗腐(fu)蚀(shi)性能。4.热(re)镀锌：热(re)镀锌是非常优良(liang)的(de)(de)一(yi)(yi)种(zhong)。这种(zhong)镀法(fa)(fa)，不(bu)(bu)(bu)仅具备了电(dian)(dian)(dian)(dian)(dian)镀锌的(de)(de)耐腐(fu)蚀(shi)特点，而(er)且由于具有锌铁(tie)合金层(ceng)。还具有电(dian)(dian)(dian)(dian)(dian)镀锌所(suo)无(wu)法(fa)(fa)相(xiang)比(bi)拟的(de)(de)强(qiang)耐蚀(shi)性。因此这种(zhong)镀法(fa)(fa)特别适(shi)用(yong)(yong)于各种(zhong)强(qiang)酸、碱雾气等(deng)强(qiang)腐(fu)蚀(shi)环境中(zhong)(zhong)。5.防火(huo)喷(pen)塑(su)：喷(pen)塑(su)电(dian)(dian)(dian)(dian)(dian)缆(lan)桥(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)是将塑(su)料粉末喷(pen)涂在(zai)(zai)电(dian)(dian)(dian)(dian)(dian)缆(lan)桥(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)上的(de)(de)一(yi)(yi)种(zhong)表面处理方法(fa)(fa)。用(yong)(yong)来在(zai)(zai)消防通(tong)道、管道等(deng)场所(suo)敷设安(an)装比(bi)较(jiao)合适(shi)。6.钢(gang)质(zhi)板材(cai)：钢(gang)制板材(cai)电(dian)(dian)(dian)(dian)(dian)缆(lan)桥(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)一(yi)(yi)种(zhong)普(pu)通(tong)的(de)(de)电(dian)(dian)(dian)(dian)(dian)缆(lan)桥(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)(qiao)架(jia)，在(zai)(zai)其表面可(ke)以进行各种(zhong)的(de)(de)不(bu)(bu)(bu)同的(de)(de)工艺处理，从达到不(bu)(bu)(bu)同性能特点。

阻(zu)(zu)(zu)(zu)(zu)燃(ran)(ran)(ran)(ran)(ran)防(fang)(fang)火(huo)(huo)桥(qiao)(qiao)架(jia)(jia)适(shi)用(yong)(yong)于(yu)10KV以下(xia)电(dian)(dian)力电(dian)(dian)缆(lan)，以及(ji)控制(zhi)(zhi)(zhi)电(dian)(dian)缆(lan)、照明配线等(deng)室(shi)内(nei)室(shi)外架(jia)(jia)空电(dian)(dian)缆(lan)沟(gou)、隧(sui)道的(de)(de)敷设。阻(zu)(zu)(zu)(zu)(zu)燃(ran)(ran)(ran)(ran)(ran)型(xing)桥(qiao)(qiao)架(jia)(jia)分为内(nei)阻(zu)(zu)(zu)(zu)(zu)燃(ran)(ran)(ran)(ran)(ran)型(xing)、外阻(zu)(zu)(zu)(zu)(zu)燃(ran)(ran)(ran)(ran)(ran)型(xing)及(ji)全(quan)阻(zu)(zu)(zu)(zu)(zu)燃(ran)(ran)(ran)(ran)(ran)型(xing)。内(nei)阻(zu)(zu)(zu)(zu)(zu)燃(ran)(ran)(ran)(ran)(ran)型(xing)是(shi)在(zai)槽式或托盘式电(dian)(dian)缆(lan)桥(qiao)(qiao)架(jia)(jia)和(he)内(nei)表面(mian)涂覆阻(zu)(zu)(zu)(zu)(zu)燃(ran)(ran)(ran)(ran)(ran)材料或镶嵌(qian)阻(zu)(zu)(zu)(zu)(zu)燃(ran)(ran)(ran)(ran)(ran)板(ban)，常用(yong)(yong)于(yu)阻(zu)(zu)(zu)(zu)(zu)燃(ran)(ran)(ran)(ran)(ran)隔断(duan)，即当电(dian)(dian)缆(lan)着(zhe)火(huo)(huo)时，由于(yu)阻(zu)(zu)(zu)(zu)(zu)燃(ran)(ran)(ran)(ran)(ran)段的(de)(de)作用(yong)(yong)，可限(xian)制(zhi)(zhi)(zhi)着(zhe)火(huo)(huo)电(dian)(dian)缆(lan)的(de)(de)延(yan)燃(ran)(ran)(ran)(ran)(ran)长度(du)。外阻(zu)(zu)(zu)(zu)(zu)燃(ran)(ran)(ran)(ran)(ran)型(xing)是(shi)在(zai)其外表面(mian)涂覆一层阻(zu)(zu)(zu)(zu)(zu)燃(ran)(ran)(ran)(ran)(ran)材料，防(fang)(fang)止外来火(huo)(huo)焰破坏钢(gang)制(zhi)(zhi)(zhi)桥(qiao)(qiao)架(jia)(jia)的(de)(de)机械强度(du)，适(shi)用(yong)(yong)于(yu)多火(huo)(huo)灾的(de)(de)场(chang)所。全(quan)阻(zu)(zu)(zu)(zu)(zu)燃(ran)(ran)(ran)(ran)(ran)型(xing)是(shi)在(zai)内(nei)、外表面(mian)涂覆阻(zu)(zu)(zu)(zu)(zu)燃(ran)(ran)(ran)(ran)(ran)材料或镶嵌(qian)阻(zu)(zu)(zu)(zu)(zu)燃(ran)(ran)(ran)(ran)(ran)板(ban)，既能保护钢(gang)制(zhi)(zhi)(zhi)桥(qiao)(qiao)架(jia)(jia)的(de)(de)机械强度(du)，又(you)能限(xian)制(zhi)(zhi)(zhi)着(zhe)火(huo)(huo)电(dian)(dian)缆(lan)的(de)(de)延(yan)燃(ran)(ran)(ran)(ran)(ran)长度(du)。米东区桥(qiao)(qiao)架(jia)(jia)批发商在(zai)哪(na)。

防(fang)(fang)火(huo)(huo)(huo)桥架(jia)是(shi)在(zai)(zai)普(pu)(pu)通桥架(jia)表面喷涂(tu)(tu)一(yi)层防(fang)(fang)火(huo)(huo)(huo)漆，以起到防(fang)(fang)火(huo)(huo)(huo)阻燃的(de)(de)作用！其实桥架(jia)本(ben)身并不(bu)会着火(huo)(huo)(huo)，着火(huo)(huo)(huo)的(de)(de)只可能(neng)是(shi)电(dian)(dian)(dian)缆(lan)，防(fang)(fang)火(huo)(huo)(huo)漆所(suo)起到的(de)(de)防(fang)(fang)火(huo)(huo)(huo)阻燃原理，从而阻隔火(huo)(huo)(huo)势蔓(man)延，具有(you)极(ji)其良好的(de)(de)防(fang)(fang)火(huo)(huo)(huo)阻火(huo)(huo)(huo)效果，又具有(you)耐(nai)火(huo)(huo)(huo)、耐(nai)油(you)、耐(nai)腐蚀、无毒、无污(wu)染(ran)，整体安装方便，结构合理，使用寿命长(zhang)，并且美观，电(dian)(dian)(dian)缆(lan)安装在(zai)(zai)电(dian)(dian)(dian)缆(lan)桥架(jia)中，环境(jing)整洁，清(qing)扫方便。防(fang)(fang)火(huo)(huo)(huo)涂(tu)(tu)料有(you)涂(tu)(tu)层薄、耐(nai)火(huo)(huo)(huo)极(ji)限高(gao)、粘(zhan)接力强的(de)(de)特点(dian)。普(pu)(pu)通电(dian)(dian)(dian)缆(lan)桥架(jia)或防(fang)(fang)火(huo)(huo)(huo)烟(yan)蔓(man)延的(de)(de)电(dian)(dian)(dian)缆(lan)桥架(jia)外壳(qiao)加防(fang)(fang)火(huo)(huo)(huo)隔层、外壳(qiao)涂(tu)(tu)防(fang)(fang)火(huo)(huo)(huo)涂(tu)(tu)料，能(neng)有(you)效地隔绝空气，达到隔热效果，能(neng)达到火(huo)(huo)(huo)灾在(zai)(zai)规定时间内热能(neng)传(chuan)达到内部，防(fang)(fang)火(huo)(huo)(huo)电(dian)(dian)(dian)缆(lan)桥架(jia)能(neng)正常运行。此外，使用高(gao)环保颜料使桥梁(liang)上的(de)(de)防(fang)(fang)火(huo)(huo)(huo)涂(tu)(tu)料具有(you)无毒、无污(wu)染(ran)、防(fang)(fang)火(huo)(huo)(huo)、防(fang)(fang)水和耐(nai)油(you)性的(de)(de)特性。一(yi)般用于敷设(she)：电(dian)(dian)(dian)力电(dian)(dian)(dian)缆(lan)、通信信号电(dian)(dian)(dian)缆(lan)等。图木舒克桥架(jia)批(pi)(pi)发(fa)商在(zai)(zai)哪？昌吉喷塑桥架(jia)批(pi)(pi)发(fa)

图木舒克(ke)地方桥架质量如何呢？乌鲁木齐喷塑桥架好(hao)不(bu)好(hao)

GB/T13033.1/2《额定(ding)电(dian)(dian)(dian)压750V及(ji)(ji)以下矿(kuang)物(wu)(wu)绝缘电(dian)(dian)(dian)缆(lan)及(ji)(ji)终端》为我国关(guan)于(yu)矿(kuang)物(wu)(wu)绝缘电(dian)(dian)(dian)缆(lan)的(de)(de)(de)产品标准，等(deng)同IEC60702：2002。根(gen)据线芯(xin)和(he)护套电(dian)(dian)(dian)压的(de)(de)(de)不(bu)同分为轻型(xing)BTTQ（500V）和(he)重型(xing)BTTZ（750V），满足GB/T19216.21在火(huo)(huo)焰温度750℃下燃烧时(shi)间(jian)180min后2A熔断器（GB13539.5规定(ding)的(de)(de)(de)DII型(xing)）不(bu)熔断的(de)(de)(de)耐火(huo)(huo)试(shi)验要求。GB50974-2014《消(xiao)防给水及(ji)(ji)消(xiao)火(huo)(huo)栓系统(tong)技术(shu)规范》关(guan)于(yu)建(jian)筑物(wu)(wu)的(de)(de)(de)火(huo)(huo)灾延续时(shi)间(jian)不(bu)超(chao)过3h，因(yin)此矿(kuang)物(wu)(wu)绝缘电(dian)(dian)(dian)缆(lan)用梯架(jia)明(ming)敷(fu)设(she)是合(he)适的(de)(de)(de)，不(bu)涉及(ji)(ji)防火(huo)(huo)时(shi)限(xian)问题。乌鲁木齐喷(pen)塑桥架(jia)好(hao)(hao)不(bu)好(hao)(hao)

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