5862| 8
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电机转速2800转,电机皮带轮5CM,机械皮带轮要配多少CM?有没有公式。 |
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小黑屋|手机版|Archiver|机械必威体育网址 ( 京ICP备10217105号-1,京ICP证050210号,浙公网安备33038202004372号 )
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