樓主: 蔣濤7207
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剛進入粉末冶金，做了幾款簡單的直通含油軸承 |
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小黑屋|手機版|Archiver|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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發表于 2016-2-20 17:01:21