9838| 22
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老外要求金屬上面噴涂陶瓷,裝軸承的地方,增加耐磨度 |
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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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