试题与答案

凡在4m以上的在施工程,必须随施工层支3m宽的安全网;在首层必须固定一道3-6m的双

题型:判断题

题目:

凡在4m以上的在施工程,必须随施工层支3m宽的安全网;在首层必须固定一道3-6m的双层安全网,安全网的外口要高于里口40—60cm。

答案:

参考答案:错

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