efficiency characteristic的用法和樣例：
例句
- The Pelton expander is tested firstly in the compressed air, and its efficiency characteristics are analyzed.
使用壓縮空氣對衝擊式膨脹機單體進行了實驗，並分析了其效率特性。 - The characteristics of the purifying efficiency and resistance of the desulfurization deduster for the flue gas fluidized bed are researched on the basis of an actual purifier.
並以實際凈化器為基礎，研究了煙氣流化床脫硫除塵器的凈化效率特性和阻力特性。
