coefficient of propulsionpropulsive coefficientpuopulsion coefficient推进: push on; carry forward; adva ...系数: coefficient; ratio; modulus; ...准推进系数: quasi propulsive coefficient; quasi-propulsive coefficient; quasi-propulsivecoefficient视似推进系数: quasi-propulsive coefficient电推进系统: electric propulsion system下载手机词典可随时随地查词查翻译