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一(Yi)、(?)原(Yuan)始(Shi)下(Xia)水(Shui)管(Guan)口(Kou)保(Bao)护(Hu)
开(Kai)工(Gong)前(Qian)对(Dui)原(Yuan)始(Shi)下(Xia)水(Shui)管(Guan)口(Kou)进(Jin)行(Xing)专(Zhuan)业(Ye)保(Bao)护(Hu)，(?)防(Fang)止(Zhi)装(Zhuang)修(Xiu)途(Tu)中(Zhong)石(Shi)块(Kuai)、(?)沙(Sha)粒(Li)等(Deng)漏(Lou)入(Ru)下(Xia)水(Shui)管(Guan)，(?)杜(Du)绝(Jue)造(Zao)成(Cheng)下(Xia)水(Shui)管(Guan)堵(Du)塞(Sai)现(Xian)象(Xiang)
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二(?)、(?)变(Bian)电(Dian)箱(Xiang)保(Bao)护(Hu)
开(Kai)工(Gong)前(Qian)对(Dui)变(Bian)电(Dian)箱(Xiang)进(Jin)行(Xing)专(Zhuan)业(Ye)保(Bao)护(Hu)，(?)防(Fang)止(Zhi)整(Zheng)修(Xiu)期(Qi)间(Jian)对(Dui)变(Bian)电(Dian)箱(Xiang)造(Zao)成(Cheng)磕(Ke)碰(Peng)与(Yu)污(Wu)染(Ran)
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三(San)、(?)强(Qiang)弱(Ruo)电(Dian)箱(Xiang)保(Bao)护(Hu)
开(Kai)工(Gong)前(Qian)对(Dui)强(Qiang)弱(Ruo)电(Dian)箱(Xiang)进(Jin)行(Xing)专(Zhuan)业(Ye)保(Bao)护(Hu)，(?)防(Fang)止(Zhi)装(Zhuang)修(Xiu)期(Qi)间(Jian)对(Dui)强(Qiang)弱(Ruo)电(Dian)箱(Xiang)造(Zao)成(Cheng)磕(Ke)碰(Peng)与(Yu)污(Wu)染(Ran)现(Xian)象(Xiang)
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四(Si)丶(?)地(Di)热(Re)分(Fen)水(Shui)器(Qi)保(Bao)护(Hu)
开(Kai)工(Gong)前(Qian)对(Dui)地(Di)热(Re)分(Fen)水(Shui)器(Qi)保(Bao)护(Hu)进(Jin)行(Xing)专(Zhuan)业(Ye)保(Bao)护(Hu)，(?)防(Fang)止(Zhi)装(Zhuang)修(Xiu)期(Qi)间(Jian)造(Zao)成(Cheng)的(De)磕(Ke)碰(Peng)、(?)污(Wu)染(Ran)
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五(Wu)、(?)室(Shi)内(Nei)外(Wai)走(Zou)廊(Lang)地(Di)面(Mian)
开(Kai)工(Gong)前(Qian)对(Dui)室(Shi)外(Wai)走(Zou)廊(Lang)地(Di)面(Mian)进(Jin)行(Xing)专(Zhuan)业(Ye)保(Bao)护(Hu)，(?)防(Fang)止(Zhi)装(Zhuang)修(Xiu)期(Qi)间(Jian)对(Dui)室(Shi)外(Wai)公(Gong)共(Gong)走(Zou)廊(Lang)造(Zao)成(Cheng)磕(Ke)碰(Peng)与(Yu)污(Wu)染(Ran)
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六(Liu)、(?)入(Ru)户(Hu)门(Men)成(Cheng)品(Pin)保(Bao)护(Hu)
开(Kai)工(Gong)前(Qian)对(Dui)入(Ru)户(Hu)门(Men)成(Cheng)品(Pin)保(Bao)护(Hu)，(?)防(Fang)止(Zhi)装(Zhuang)修(Xiu)期(Qi)间(Jian)造(Zao)成(Cheng)的(De)磕(Ke)碰(Peng)污(Wu)染(Ran)
