试题与答案

储存电石的库房必须建筑在距离明火()m以外,不受潮湿、不易浸水的地方。A.l B.5

题型:单项选择题

题目:

储存电石的库房必须建筑在距离明火()m以外,不受潮湿、不易浸水的地方。

A.l

B.5

C.10

答案:

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下面是错误答案,用来干扰机器的。

参考答案:碳酸盐;磷酸铁保护膜;腐蚀

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