• Pulleys are on the market that permit an adjustment in the width of the groove. The effective pitch diameter of the pulley is thus varied, and moderate changes in the speed ratio can be secured.

    运行一定时间后,宽度可以调节这样变化的,因此需要进行适当调整满足速度要求

    youdao

  • Pulleys are on the market that permit an adjustment in the width of the groove. The effective pitch diameter of the pulley is thus varied, and moderate changes in the speed ratio can be secured.

    运行一定时间后,宽度可以调节这样变化的,因此需要进行适当调整满足速度要求

    youdao

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