operation ratio的用法和樣例：
例句
- Furthermore,owing to smooth runing of the mill,operation efficiency is improved,resulting in poweer sace as well.
磨機運轉率提高，節電效果明顯。 - Raise the equipments operation rate, Shorten to produce the period, The control has the spare parts stock engross, lower the cost.
提高生產(chǎn)設備運轉率，縮短生產(chǎn)周期，控制備品備件庫存資金占用，降低成本。
