2686| 4
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滾絲機里的結(jié)構(gòu)是什么樣的,?為什么軸移動是仍然可以轉(zhuǎn)動,? |
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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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