gear reduction rate的用法和樣例：
例句
- When the meshing efficiency of closed epicyclic gear trains is computed, the method of drive-ratio is used often.
摘要在計算封閉式周轉輪系的嚙合效率時(shí)，常用傳動(dòng)比法。 - Low rimpull requirements often result in the selection of bevel gears with high gear ratios.
較低的邊緣拉力的要求常常導致需要配置高齒輪傳動(dòng)比的傘齒輪操作機構。
