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PPR水管焊接技巧,蠕动焊接与旋转焊接的区别,被好多水电师傅误解
蠕动焊接与旋转焊接的区别完全不在一个层次,被好水电师傅误解了
PPR熔接技巧与经验分享,看完了这些视频不会熔接管道的都学会了2/17
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