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请关掉家里电
释义
DEFINITIVE EXAMPLES 权威例句〔mains〕If you're given warning of a flood, turn off the electricity, gas, and water at the mains.如果你收到洪水警报, 请关掉家里电、气和水的总闸。外研社新世纪
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thermionic amplifier
thermionic cathode
thermionic conductance
thermionic conduction
thermionic controller
thermionic converter
thermionic current
thermionic detector
thermionic diode
thermionic discharge
thermionic effect
thermionic emission
thermionic energy conversion
thermionic fuel cell
thermionic fuel element
thermionic generator
thermionic grid emission
thermionic ion source
thermionic power generator
thermionic rectifier
thermionic relay
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更新时间:2026/6/22 16:43:40