9568| 19
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這種算不算新型內燃機? |
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點評
成本,做功效率,關鍵零部件壽命,故障率,維修方便?
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點評
還有氣門控制增加難度了
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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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