5158| 28
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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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Archiver|手機版|小黑屋|機械社區 ( 京ICP備10217105號-1,京ICP證050210號,浙公網安備33038202004372號 )
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