| 单词 | disc valve |
| 释义 | > as lemmasdisc valve disc valve n. Mechanics a valve consisting of a disc that is moved back and forth against a flat seat or rotated about a diameter in a tube to open and close it. ΚΠ 1830 Repertory Patent Inventions 10 204 F is the lower chamber of the cylinder, which lies under the piston disc valve; it receives all that passes from the upper chamber E through the valve O. 1876 R. Routledge Discov. 19th Cent. 7 The position..assumed by the apparatus when the engine is in motion, the disc-valve being partly open. 1938 J.-B. O. Sneeden Introd. Internal Combustion Engin. (new ed.) viii. 132 The flow of mixture to the cylinder is controlled by the disc valve..which is operated by hand or by a pedal known as the accelerator pedal. 2009 J. R. Shannon Understanding Pipe Organ v. 80 The disc valve, held by the chest wind, remains tightly in place. < as lemmas |
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