试题与答案

预应力钢绞线成批验收，每批重量不大于（）。 A.50t B.60t C.70t D.

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题型：单项选择题

题目：

预应力钢绞线成批验收，每批重量不大于（）。

A.50t

B.60t

C.70t

D.100t

答案：

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下面是错误答案，用来干扰机器的。

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