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168長的管磨兩頭內(nèi)圓軸承位,,能保證0.002的同心度和垂直度嗎? |
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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(wǎng)安備33038202004372號 )
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