题目内容 (请给出正确答案)
提问人:网友w*****2 发布时间:2023年2月25日 16:10
[单项选择题]

焊割作业的乙炔气瓶与氧气瓶两者使用的安全距离是()m。

A、2

B、3

C、4

D、5

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