| |||
trench | |||
circumvallation; intrenchment; moat | |||
fosse moat | |||
pit | |||
| |||
trench | |||
| |||
sewer trench |
壕沟: 38 phrases in 11 subjects |
Agriculture | 3 |
Architecture | 1 |
Desert science | 1 |
Ecology | 1 |
Electronics | 1 |
Explosives and Explosive Ordnance Disposal | 1 |
General | 7 |
Oil / petroleum | 1 |
Space | 1 |
Surgery | 1 |
Technology | 20 |