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一臺X6132臥銑,主軸后軸承是什么形式安裝的,中間的內外圈隔環厚度是多少? |
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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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