3409| 9
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求助--鍍鋅表面為什么會有這樣的缺陷 |
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點評
嚴重同意,我們廠以前賣給外國用戶就是吃了海水和海風侵蝕的虧
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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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