| 单词 | vacuum pump |
| 释义 | vacuum pump (once / 214897 pages) n WORD FAMILY vacuum pump: vacuum pumps USAGE EXAMPLESHis new room had a vacuum pump on the wall. The New Yorker(Aug 18, 2016) "This is a pressure chamber with a vacuum pump," he said. US News(Jul 29, 2016) “This is a pressure chamber with a vacuum pump,” he said. Washington Times(Jul 27, 2016) n a pump that moves air in or out of something Syn|Hypo|Hyper air pump condensation pump, diffusion pump vacuum pump used to obtain a high vacuum inflater, inflatoran air pump operated by hand to inflate something (as a tire) ion pumpa vacuum pump that removes gas by ionizing the atoms or molecules and adsorbing them on a metal surface pump a mechanical device that moves fluid or gas by pressure or suction |
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