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| 单词 | gear-pump |
| 释义 | > as lemmasgear-pump gear-pump n. a pump in which liquid is drawn in by one gear-wheel and expelled by another gear-wheel in mesh with the first. ΚΠ 1922 Automobile Engineer Ref. Bk. 202/1 Gear pump. 1933 Rutherford in Proc. Royal Soc. A. 141 261 The plug..is cooled by a rapid stream of transformer oil supplied by a gear-pump through insulating tubes. < as lemmas |
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