volumetric efficiencyvɔljuˈmetrikiˈfiʃənsi短语¹³¹⁶²⁰⁺³ 基本例句 容积效率,组装效率 Finally the calibration on a WF4C27F- E gasoline engine is performed, and the MAP graphs of the volumetric efficiency and the spark advance angle are obtained. 最后针对 WF4C27F- E汽油机进行了标定试验，获取了充量系数和点火提前角 MAP图。 cnki