2484| 2
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動剛度和模態,請教 |
點評
網上的可能也解釋的不清楚,只有用過的人才能講明白
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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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