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空氣彈簧在精密機床的應用---請教 |
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點評
能上個圖片不?增加一下感性認識
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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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