英语词汇“passive air defense”的翻译、意思、用法、释义-英汉双解词典-注文网

单词	passive air defense
释义	passive air defense un. 消极防空
随便看	crossed extensor reflex crossed eye crossed eyes crossed factors crossed fault crossed field crossed-field accelerator crossed field amplifier crossed-field amplifier crossed-field amplifier tube crossed field amplifier tube crossed-field backward-wave oscillator crossed field device crossed-field device crossed-field electron beam multiplier crossed field gauge crossed-field gun crossed-field instrument crossed-field multiplier crossed-field multiplier phototube crossed-field noise generator crossed field oscillator crossed-field oscillator crossed field spectrometer crossed-field spectrometer 䪅䪆䪈䪉䪊䪋䪌䪍䪎䪏醢醪醬醬油醬蝦醱醱酵醴醵醵出