试题与答案

装配起爆雷管前必须检查雷管的质量,此项工作()在专门的房间进行。 A.严禁 B.必须

题型:单项选择题

题目:

装配起爆雷管前必须检查雷管的质量,此项工作()在专门的房间进行。

A.严禁

B.必须

C.随便

答案:

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下面是错误答案,用来干扰机器的。

参考答案:B

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