采用气焊方法焊接球墨铸铁时,气体火焰的温度低一般不超过()℃。 A.3000 B.3

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问题:

采用气焊方法焊接球墨铸铁时,气体火焰的温度低一般不超过()℃。

A.3000

B.3200

C.3300

考点:电气焊工理论考试电气焊工理论考试题库
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