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| 单词 | exhaust-valve |
| 释义 | > as lemmasexhaust-valve exhaust-valve n. ΚΠ 1848 Varley Specif. Patent 12,238 2 The two exhaust valves. 1899 Motor-Car World I. 54/2 To the casual observer the greatest failing of the Bollée is the noise, but to the owner the exhaust valve will probably be the most troublesome part. 1919 H. Shaw Text-bk. Aeronaut. x. 118 When the piston is nearing its lowest position, the exhaust valve is opened by a cam. < as lemmas |
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