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词汇 oil switch
释义

Definition of oil switch in English:

oil switch

noun
  • A switch or circuit-breaker in which the contacts are immersed in oil.

Origin

Early 20th century; earliest use found in Transactions of the American Institute of Electrical Engineers.

Definition of oil switch in US English:

oil switch

noun
  • A switch or circuit-breaker in which the contacts are immersed in oil.

Origin

Early 20th century; earliest use found in Transactions of the American Institute of Electrical Engineers.

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