Only when the resonant cavity of microwave plasma thruster (MPT) is under the resonant state,can the microwave energy heat the propellant gas to produce thrust efficiently.是什么意思_Only when the resonant cavity of microwave plasma thruster (MPT) is under the resonant state,can the microwave energy heat the propellant gas to produce thrust efficiently.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句