| |||
monkeyway | |||
fang | |||
air gate | |||
aircourse (工程); air head; air heading; back heading; monkey | |||
air course |
通 风巷道 : 5 phrases in 5 subjects |
Explosives and Explosive Ordnance Disposal | 1 |
General | 1 |
Hydroelectric power stations | 1 |
Rail transport | 1 |
Technology | 1 |