mechanical efficiency的用法和樣例：
例句
- The mechanical efficiency of this machine is very low, which leads to its failure in finishing its task every month.
這臺機器的機械效率很低，每個(gè)月都完不成任務(wù)。 - The invention has simple structure, stable performance, high mechanical efficiency, large transmission power, wide application range, and low price.
本發(fā)明結構簡(jiǎn)單，性能穩定，機械效率高，傳輸功力大，應用范圍廣，價(jià)格低廉，易于推廣。
