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交、直流电焊机安全检查 | 2009-3-29 12:49:00
交、直流电焊机安全检查
1、 工具有统一、清晰的编号；
2、 电源线、焊机一、二次线电焊机接线端子有屏蔽罩；
3、 电焊机金属外壳有可靠的保护接地（零）；
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