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单词 heat sink
释义

WordReference Random House Unabridged Dictionary of American English © 2024
heat′ sink′, 
    1. Thermodynamicsany environment or medium that absorbs heat.
    2. ElectronicsAlso, heat′sink′. a metallic heat exchanger designed to absorb and dissipate excess heat from one of the devices, as a transistor or resistor, in a circuit.
    • 1935–40

Collins Concise English Dictionary © HarperCollins Publishers::
heat sink n
  1. a metal plate specially designed to conduct and radiate heat from an electrical component
  2. a layer of material placed within the outer skin of high-speed aircraft to absorb heat
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更新时间：2024/11/10 14:19:34