题目内容

拆除柱子,应沿柱子底部剔凿出钢筋,使用手动倒链定向牵引,采用气焊切割柱子三面钢筋,保留牵引方向正面的钢筋()

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I don’t understand ____ believe him.

A. why don ’t you
B. why you no
C. why you don ’t
D. why not you

墙或柱是建筑物的承重配件,承受屋顶、楼板下传来的各种荷载,并连同自重一起传给基础()

The little boy didn’t know_______.

A. Which hat is hi
B. which hat his is
C. which hat was his
D. which hat his was

载重量对小客车的平均技术速度没有实际影响。

A. 错误
B. 正确

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