短語詞組短語resultant t velocity 合速度resultant wind velocity 合成風速;相對風速resultant theory of velocity 速度合成定理resultant ground vibration velocity 地層振動合速度constant feed resultant velocity 等合成進給速度maximum resultant ground vibration velocity 最大誘發(fā)地面振動速度resultant velocity of approaching flow 實效合速resultant velocity and component velocity 合速度與分速度 返回 resultant velocity