What is the use, efficiency ratio?
什么是使用率、实用率？
For consideration of both reaction efficiency and operation, liquor ratio about 3.1:1 is ideal.
反应液比从反应效率和可操作性考虑选3.1：1左右较为适宜。
The calculations of transmission ratio. force and transmission efficiency are explained here.
文中阐述了该封闭行星传动机构的传动比计算，受力分析和效率计算。
The calculations of transmission ratio. force and transmission efficiency are explained here.
文中阐述了该封闭行星传动机构的传动比计算，受力分析和效率计算。
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