1·The problem of losing efficacy in gearwheel is a thing that is usually met in practical production and restoration of devices.
失效齿轮是生产实际和设备维护保养中经常遇到的问题。
2·The motor needs to be move further apart from the gearwheel as a bigger pinion with higher number of teeth has to be used.
汽车需要得到进一步的动议，除了从齿轮作为一个更大的齿轮与人数较多的牙齿已被用作。
3·Because of the gearwheel's importance as the symbol for all of Rotary, it should be the concern of all Rotarians to protect the integrity of the emblem.
齿轮的重要性是因为它作为所有扶轮象征，因而所有的扶轮社员都应要保护徽章的完整性。
4·The utility model can drive a wire rope through the combination of a swinging mounting, a stationary wire spool, a gearwheel disk, a fixed tray, a pinion, a motor, etc. to attain automatic elevating.
它通过转动支架、固定绕线盘、大齿轮盘、固定盘、小齿轮和电 机等进行组合带动钢丝绳实现自动升降。