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呼叫haipengtop老師,,來活了,,來審一下這張圖 |
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點評
16的管,很容易扳彎的,,當然要用無縫管,,焊接管容易裂縫
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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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