air defence work

意思翻译 防空工程，人防工程 相似词语短语 air defence───防空；空防 defence───n.防御；防卫；答辩；防卫设备 automatism defence───自动防御 defence mechanisms───防御机制(defencemechanism的名词复数形式)；n.防御机制( defence mechanism的名词复数 ) in defence───防御；保卫；辩护 defence news───国防新闻 defence update───防务更新...