impeller是什么意思 n. 推进者, 叶轮[化] 叶轮 n. the blade of a rotor (as in the compressor of a jet engine) impeller的用法和例句: 1. . . .our subject is impelled towards the good. . . 矛盾地,我们的实验对像*迫向恶 2. Close load circuits on the impeller al...