impeller
n. 推进者, 叶轮 [化] 叶轮
发音
US
词形变化
impellers
复数
impellers
别名
impellor
释义与例句
n.
-
1.
Something which or someone who impels.
-
2.
Something which or someone who impels.
A rotating component of a device that accelerates fluid, increasing its pressure or flowrate.
screw impeller
-
3.
Something which or someone who impels.
A rotating component of a device that accelerates fluid, increasing its pressure or flowrate.
Especially, such a component that drives the fluid radially (outward from a center of rotation) rather than axially. (Impellers are found in devices such as pumps, water jets, washing machines, and agitated tanks.)
Holonym: torque converter
词汇关系
词源
From impel + -er.
来源：wiktionary