出 水 管 : 83 phrases in 19 subjects |
Agriculture | 1 |
Automobiles | 5 |
Aviation | 1 |
Construction | 2 |
Ecology | 1 |
Electric machinery | 1 |
Electronics | 1 |
Engineering geology | 5 |
General | 3 |
Hydraulics | 1 |
Hydroelectric power stations | 5 |
Metallurgy | 1 |
Navigation | 1 |
Oil / petroleum | 1 |
Plastics | 1 |
Project management | 1 |
Scuba diving | 1 |
Shipbuilding | 1 |
Technology | 50 |