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設計求助:焊接操作機滑臺,、導輪軌道部分 |
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點評
可以承重啊,,上網(wǎng)可以查
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點評
是滾動摩擦,。
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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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