| 单词 | hand gear |
| 释义 | > as lemmashand gear hand gear n. (a) apparatus operated by hand, esp. for controlling an engine; spec. a system of hand-operated levers for opening or shutting the valves of a steam engine; (b) apparel (esp. of a protective nature) for the hands. ΘΚΠ society > occupation and work > equipment > machine > machines which impart power > engine > steam engine > [noun] > parts of > other parts fire door1765 hand gear1805 throat pipe1824 cataract1832 cut-off1849 coil1852 pot-lid1856 main centre1858 trunk1859 piston sleeve1872 1805 Jrnl. Nat. Philos. Nov. 174 There are no levers employed for opening the valves, and there is no hand gear. 1898 Jrnl. Amer. Soc. Naval Engineers 10 565 Reversing is effected by means of double-cylinder steam engines, with gear of the all-round type, hand-gear also being available. 1907 Railway Mag. Oct. 325/1 As no electric power was obtainable..it was decided to install an oil engine with supplementary handgear. 1975 Black Belt Nov. 17/1 The gear is similar to the foot and hand gear used for full contact karate protection. 2000 W. H. Flayhart Amer. Line ix. 177 The valve gear was the link type, controlled by a steam cylinder and also by auxiliary hand gears. 2010 J. Gardiner Winging It vi. 62 Those who worked in the trade of wild parrot smuggling routinely wore protective handgear. < as lemmas |
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