单词 | pull switch |
释义 | > as lemmaspull switch pull switch n. Brit. , U.S. a switch operated by a pull-cord.ΘΚΠ the world > matter > physics > electromagnetic radiation > electricity > circuit > device to open or close circuit > [noun] > by mode of operation time switch1884 pull switch1888 press switch1892 autoswitch1903 tumbler switch1907 snap switch1926 timer1934 1888 D. Salomons Managem. Accumulators (ed. 3) ii. ii. 97 The Browett pull switch is fixed near the cornice, and by pulling a cord, the light is put on; also turned off by a similar action. 1961 P. de Vomécourt Army of Amateurs xx. 236 Under the heap was a pound of plastic explosive, attached to it a ‘pull switch’... We tugged at the pull switch. 1971 D. Bagley Freedom Trap vi. 130 The light switch in the bathroom was operated..by a ceiling pull-switch from which a strong cord hung to a convenient hand level. 1993 Collins Compl. DIY Man. (new ed.) vii. 325/2 Use a 20amp ceiling-mounted pull-switch with a mechanical on/off indicator. < as lemmas |
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