| 单词 | switch gear |
| 释义 | > as lemmasswitch gear switch gear n. the assembly of switching devices and associated equipment used in the generation and transmission of electric power. ΘΚΠ the world > matter > physics > electromagnetic radiation > electricity > electrical power, electricity > distribution system > [noun] > switching devices switch gear1901 the world > matter > physics > electromagnetic radiation > electricity > circuit > short-circuit > [noun] > connection or disconnection > apparatus for switch gear1901 1901 Westm. Gaz. 31 Oct. 8/1 6,000 horse-power in boilers, engines, dynamos, and switch gear. 1930 Times 29 Mar. 19/4 Out metal is now being adopted as a substitute for non-magnetic iron in many instances, such as in the large casings for metal-clad switchgear. 1958 Optima Sept. 130/2 The electrical industry uses platinum for switchgear contacts in such equipment as traffic lights, telephone exchanges, radio stations and generating stations. 1978 Jrnl. Royal Soc. Arts 126 609/2 Continued improvements in control circuitry and microprocessors are likely to..further increase the utilization of transformers, switchgear and circuits. < as lemmas |
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