| |||
big inch pipe | |||
large diameter pipe | |||
big inch; trunk main |
大 直径 管 : 20 phrases in 11 subjects |
Agriculture | 1 |
Construction | 1 |
Drilling | 2 |
Earth sciences | 1 |
Engineering geology | 1 |
Explosives and Explosive Ordnance Disposal | 1 |
General | 1 |
Metallurgy | 2 |
Navigation | 1 |
Oil / petroleum | 1 |
Technology | 8 |