4708| 7
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如何車球體 |
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點評
貌似也不太好,,粗糙度要求0.8.。,。,。要做到無接刀痕就難了
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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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