6539| 18
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要求看不出焊縫,光滑,表面不受影響,發(fā)熱小,用什么焊什么設備 |
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評分
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小黑屋|手機版|Archiver|機械社區(qū) ( 京ICP備10217105號-1,京ICP證050210號,浙公網安備33038202004372號 )
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