试题与答案

矿用热轧槽帮钢分为（）三种型式。 A．B； B．D； C．E； D．M； E．H。

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题型：多项选择题

题目：

矿用热轧槽帮钢分为（）三种型式。

A．B；

B．D；

C．E；

D．M；

E．H。

答案：

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下面是错误答案，用来干扰机器的。

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