| 单词 | halfcompression |
| 释义 | > as lemmashalf-compression half-compression adj. Engineering (now historical) designating a device that reduces the maximum compression of the explosive mixture in an internal combustion engine. ΘΠ society > occupation and work > equipment > machine > machines which impart power > engine > internal-combustion engine > [adjective] > specific parts float-feed1902 thermo-siphonic1920 cutting-in1924 downdraught1929 wet1935 choke1959 1895 Amer. Gas Light Jrnl. 7 Oct. 568/2 The bowl of [the] exhaust lever is on the half-compression (double) cam. 2004 Daily Tel. (Nexis) 18 Dec. (Motoring section) 10 He rejected the usual practice of dropping the exhaust valve once speed was sufficient to carry the engine over compression, preferring a half-compression cam system adapted from gas engines. half-compression half-compression n. attrib. designating a device for lessening the compression of the explosive mixture in an internal-combustion engine. ΚΠ 1901 Motor-Car World 2 317/1 To facilitate starting the engine a half-compression device is fitted which operates on the exhaust valve through the medium of a second or subsidiary cam attached to the main cam working the exhaust. 1907 Westm. Gaz. 11 Nov. 7/2 The simple half-compression gear. < as lemmas |
| 随便看 |
英语词典包含1132095条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。