So we first check the paper by manipulating the surface of teeth, the shaft end as a result of nut and check the drum of the shaft and lock nuts contrate no loosting, slide.

• 于是我们不后查抄了靠把持背的递纸牙轴端因螺母，又查抄各滚筒体轴脚端背的锁不松螺母均无任何松不静、滑丝本体。