Change oil of the redactor in the drive device annually.

驱动装置减速每年换。

Elastic coupling is commonly used in roating machinery for connecting two shafts and delivering the power, for example, the spline coupling between engine and reducer or hydrodynamometer.

弹性联轴作为航空发动机、减速、动力装置或者功率吸收装置之间结构，在实际工作中会遭遇到因振动过大而造成事故发生。