施工手孔的规格(宽*长*高)为:()

A . 850mm*1300mm*1500mm B . 800mm*1200mm*1500mm C . 1100mm*7300mm*1200mm D . 800mm*1200mm*1300mm

时间:2022-10-04 11:19:02 所属题库:传输线路题库

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