In new type ring frames, elastic members and balancing cams are used to replace the traditional dead weights for the balancing of the ring rails and other lifting parts.
新型环锭纺机利用弹性元件和干衡凸轮来替代传统用的重锤,以平衡升降部件的大部分自重,其中有用扭杆的,也有用螺旋圈簧的。
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