英语词汇“back-up”的读音、翻译、释义、用法及例句-集火网

词汇	back-up
释义	back-up 【计】后援; 备份【医】后盾(在大气中高压电流所通过距离)
随便看	low-lying Lowman balance board low-melting alloy low memory low-minded low-molecular weight compound low-molecular(-wigth)polymer low myopia low-neck low-necked low-noise amplifier low-noise preamplifier low-noise receiver low-note low-octane low-oil alarm low-oil content transformer low oil level low oil pressure low-order low-order bit low-order byte low-order character low order chraracter low order digit

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