civil defence
短语词组
- civil air defence door 人防隔断门
- Civil Air Defence Work 人防工程
- civil air defence department 人民防空部门
- underground civil air defence 地下人防工程
- Chinese civil air defence 中国人民防空
- civil air defence works 人民防空工程;民防工程
- Civil Air Defence Office 人民防空办公室
- civil air defence communication 人防通信
- city civil air defence 城市人防 返回 civil defence