樓主: 冷雨夜sds
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旋轉軸（轉速約為200r/min）怎么樣密封細粉塵(200目左右）? |
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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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發(fā)表于 2012-8-29 12:09:06