机械效率

torque efficiency的用法和样例：

例句

The mechanical efficiency of this machine is very low, which leads to its failure in finishing its task every month.这台机器的机械效率很低，每个月都完不成任务。
The invention has simple structure, stable performance, high mechanical efficiency, large transmission power, wide application range, and low price.本发明结构简单，性能稳定，机械效率高，传输功力大，应用范围广，价格低廉，易于推广。

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