1287| 7
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電源頻率60hz,50hz的電機出口過去加變頻器,調高傳動比,這樣行嗎 |
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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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