| 释义 |
WordReference Random House Unabridged Dictionary of American English © 2024sin•gle-act•ing (sing′gəl ak′ting),USA pronunciation adj. - (of a reciprocating engine, pump, etc.) having pistons accomplishing work only in one direction. Cf. double-acting (def. 1).
Collins Concise English Dictionary © HarperCollins Publishers:: single-acting adj - (of a reciprocating engine or pump) having a piston or pistons that are pressurized on one side only
|