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【单选题】

棚子间应设牢固的撑木或（）。

A.
前探梁
B.
铁丝
C.
破板
D.
拉杆
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题目标签：撑木棚子
相关题库：初级支护工题库
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【单选题】棚子间应设牢固的撑木或（）。
A.
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B.
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C.
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D.
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