| 单词 | half-time shaft |
| 释义 | > as lemmashalf-time shaft half-time shaft n. (in a four-stroke internal combustion engine) a camshaft which is driven at half the speed of the crankshaft so as to open valves once in each cycle; = half-speed shaft n. ΘΠ society > occupation and work > equipment > machine > machines which impart power > engine > internal-combustion engine > [noun] > parts of > cam-shafts overhead camshaft1912 society > travel > means of travel > a conveyance > vehicle > powered vehicle > parts and equipment of motor vehicles > [noun] > transmission > shaft and joints transmitting drive > drive-shafts, etc. driveshaft1860 half-time shaft1861 propshaft1929 1902 Motor World 12 June 321/2 (caption) Half-time shaft. 1951 C. M. Hepworth Came the Dawn xvi. 166 The poor little thing [sc. the engine], ashamed of the horrid behaviour of her silencer, had snapped her half-time shaft in two and brought her own career to an end. 2002 Cycle World Jan. 98/2 A toothed belt drives a half-time shaft in the cylinder Vee, and other toothed belts carry the drive from this shaft to the cams. < as lemmas |
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