英语词汇“preventive maintenance time”的读音、翻译、释义、用法及例句-开邑网

词汇	preventive maintenance time
释义	preventive maintenance timepreventive maintenance time1.■预防性维护时间
随便看	totemistic totemite totem pole vacuum tube generator vacuum tube glass vacuum tube Gm meter vacuum tube Gmmeter vacuum tube Gm-meter vacuum tube hearing aid vacuum tube impedance vacuum tube jumping circuit vacuum-tube keyer vacuum-tube keying vacuum tube microammeter vacuum tube millivoltmeter vacuum tube modulator vacuum-tube modulator vacuum-tube noise vacuum tube oscillator vacuum-tube oscillator vacuum tube powermeter vacuum tube pulser vacuum tuberculin vacuum-tube receiving set vacuumtube rectifier

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