defence works
美英
- un.工事
- 网络防御工事

defence works
工事
合成记忆法-学会学习-成长驿站-腾龙远程教育网 ... castor oil 蓖麻油 defence works 工事 filling station 加油站 ...
防御工事
防_百度百科 ... 39. 防御[ defense] 40. 防御工事[ defence works;fortification;interenchment] 41. 防贼[ theftproof] ...
1
3
5
8