【判断题】【消耗次数：1】
钢筋弯起点位置允许偏差是20mm。
①
正确
②
错误
参考答案：
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相关题目
【单选题】
现浇钢筋混凝土结构电梯井井筒全高(H)的垂直度允许偏差为（ ）mm。
①
H/1000或＜30
②
H/1000且＜30
③
H/1000或≤30
④
H/1000且≤30
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【单选题】
6. A new house ___ at the corner of the road.
①
is building
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is being built
③
been built
④
be building