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浇筑混凝土时，自由倾落高度不应超过( )。

高老师2年前 (2024-03-28)建筑施工技术(01850)17

浇筑混凝土时，自由倾落高度不应超过( )。

A.1. 5m

B.2.0m

C.2.5m

D.3.0m

正确答案是B

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