主节点处两个直角扣件的中心距不应大于（）mm。A.180 B.150 C.120 D

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问题单项选择题

主节点处两个直角扣件的中心距不应大于（）mm。

A.180

B.150

C.120

D.100

答案

参考答案：B

补全对话，情景问答

1.	— What's the ____________ like today? — It's a ____________ day.
2.	— Excuse me! Can you tell me the ____________ to the hospital? — OK, go straight ahead and turn ____________ at the ____________ corner.
3.	— How does she usually go to school? — She usually ____________ to school ____________ ____________.

问答题简答题

后张法预应力梁桥施工的主要流程与注意事项。