A single revolution of an engine or other mechanism with a rotating part. Also: a revolution per minute, as a unit of engine speed (cf. rpm n. at R…
| 单词 | θ214133 |
| 释义 | society > occupation and work > equipment > machine > machines which impart power > engine > [noun] > revolution (1) rev1851 A single revolution of an engine or other mechanism with a rotating part. Also: a revolution per minute, as a unit of engine speed (cf. rpm n. at R… |
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