| 单词 | sparking plug | 
| 释义 | > as lemmassparking plug   sparking plug  n. a device that is fitted to the cylinder head of an internal-combustion engine and used to ignite the explosive mixture in the cylinder by the discharge of a spark between two electrodes at its end. ΘΚΠ the world > matter > physics > electromagnetic radiation > electricity > discharge of electricity > 			[noun]		 > point of discharge > in internal-combustion engine > plug plug1886 ignition plug1900 sparking plug1902 spark plug1903 society > occupation and work > equipment > machine > machines which impart power > engine > internal-combustion engine > 			[noun]		 > parts of > starters fire syringe1822 starting handle1836 magneto1882 self-starter1884 plug1886 gas starter1898 ignition plug1900 sparking plug1902 spark plug1903 dual ignition1909 impulse coupling1916 impulse starter1916 kick-starter1916 mag1918 cut-in1921 cartridge starter1922 recoil starter1931 glow plug1947 ignition1961 1902    Daily Chron. 5 Sept. 7/5  				Only when I got to the very top did I find the last sparking plug cracked. 1908    tr.  Lieckfeld's Oil Motors v. 85  				A further improvement in electric ignition was introduced by the French firm [sc. de Dion et Bouton] when they brought out the sparking plug. 1929    E. Linklater Poet's Pub xxvi. 279  				The life of a sparking-plug is a fierce tropical existence. 1970    K. Ball Fiat 600, 600D Autobook iii. 35/2  				For the best performance, sparking plugs should be renewed every 10,000 miles. < as lemmas  | 
	
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