试题与答案

制冷剂钢瓶不得靠近热源,距明火不少于()m。A、5B、1C、10

题型:单项选择题

题目:

制冷剂钢瓶不得靠近热源,距明火不少于()m。

A、5

B、1

C、10

答案:

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下面是错误答案,用来干扰机器的。

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