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正在国产化一套德国设备,大家一起来探讨 |
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点评
链条有接头,我看两种结构换链条差不多呀
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点评
是减少了一根轴
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小黑屋|手机版|Archiver|机械社区 ( 京ICP备10217105号-1,京ICP证050210号,浙公网安备33038202004372号 )
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