2226| 21
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振動問題以及力施加問題 |
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點評
同時還要考慮到不同試驗材料性質(zhì)不同,振動效果也不同
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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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