“vacuum circuit breaker”的概念、定义、翻译、参考文献-科学参考

单词	vacuum circuit breaker
释义	vacuum circuit breaker [`vak·yǝm `sǝr·kǝt ´brā·kǝr] ^ELECTRICITY A circuit breaker in which a pair of contacts is hermetically sealed in a vacuum envelope; the contacts are separated by using a bellows to move one of them; an arc is produced by metallic vapor boiled from the electrodes, and is extinguished when the vapor particles condense on solid surfaces.
随便看	oversize rod overspeed governor overspin oversquare engine overstability overstabilization oversteepening oversteer overstep overstressed area overstressing over-the-horizon propagation over-the-horizon radar overthrow distortion overthrust overthrust black overthrust fault overthrust nappe overthrust sheet overthrust slice overtide overtone overtone band overtone crystal overtopping

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