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amao0608
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樓主  發(fā)表于: 2016-07-16 08:18
怎么挖地，怎么走線(xiàn)比較合理？？？
往事如風(fēng)
科技改變制造
級別: 網(wǎng)絡(luò )英雄

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1樓  發(fā)表于: 2016-07-18 08:53
主電纜走地下一般都需要做電纜溝或電纜管（每隔50米左右有電纜過(guò)度井），這是考慮保護和便于后續維修或更換。如果選用YJV22或VV22的（鎧裝電纜）也可直接埋地（用細沙做上下墊層），當然你如果埋設在水泥地面下以后更換就得砸地了
三人行者必有我師 ，擇其善者而從之

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