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一次,我厂铆焊车间突然发现天车吊钩带电,其现象是只要吊钩碰触工件或吊运钢丝绳,便火星四溅,同时发如噼噼啪啪的放电声。维修人员爬上天车
Once, I suddenly found crane factory Crane crane hook electrified, the phenomenon is that as long as the hook touch the workpiece or lifting wire rope, the sparks spattered at the same time as the bursts of pop noise. Maintenance staff climbed the crane