13997| 8
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對心曲柄滑塊機構如果以曲柄為原動件的話存在死點嗎? |
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點評
發動機有,泵沒有
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Archiver|手機版|小黑屋|機械社區 ( 京ICP備10217105號-1,京ICP證050210號,浙公網安備33038202004372號 )
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