问题 单项选择题

型钢矫正后,弯曲矢高的允许偏差为()mm。

A.l/1000,且不应大于5.0

B.l/500,且不应大于10.0

C.l/500,且不应大于5.0

答案

参考答案:A

填空题

精彩回放。

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单项选择题