6670| 5
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大家好!鏈輪直徑195mm,提升500kg重物,選用12A鏈條,請問扭矩如何計算?謝謝! |
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小黑屋|手機版|Archiver|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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