短語詞組短語exit fluid velocity 出口流速exit region velocity 輸出速度exit region velocity triangle 出口速度三角形exit region velocity of whirl 出口渦流速度ideal exit velocity 理想出口速度stack gas exit velocity 煙氣出口速度absolute exit velocity 絕對出口速度relative steam exit velocity 蒸汽相對出口速度stack exit velocity 煙囪排煙速度exit velocity uniformity 出口速度均勻性 返回 exit velocity