插接式母线槽垂直穿过楼板时，要选用（）固定。 -题库考试答案搜索网

插接式母线槽垂直穿过楼板时，要选用（）固定。

单选题

2022-06-23 12:18

A、圆钢支架
B、角钢支架
C、扁钢支架
D、弹簧支架

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正确答案

D

试题解析

标签： 1H414000建筑机电工程安装技术机电工程 CMS专题

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插接式母线槽垂直穿过楼板时，要选用（）固定。

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