6297| 13
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求助齒輪傳動設計 |
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點評
厚啊!這個歷害;rpm=喇機喔/迷你茲;收音機日語叫"喇機喔"
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點評
基礎不懂只能退回低層再學好
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Archiver|手機版|小黑屋|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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