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250电焊机焊线多长合适
更新时间： 2020-11-09 00:00:00  

1、如果250电焊机额定负载率≥60%，可以使用国标35平方毫米焊把线，或非标50平方毫米焊把线，必须是地线。长度不超过8米。

2、如果250电焊机额定负载率

关键词： 电焊机 合适

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