供 水管 : 157 phrases in 24 subjects |
Agriculture | 3 |
Architecture | 3 |
Automobiles | 3 |
Aviation | 4 |
Chemistry | 2 |
China | 1 |
Earth sciences | 2 |
Economics | 1 |
Electronics | 6 |
Engineering geology | 1 |
Environment | 1 |
General | 1 |
Hydroelectric power stations | 14 |
Metallurgy | 7 |
Mining | 1 |
Oil / petroleum | 5 |
Plastics | 1 |
Project management | 1 |
Rail transport | 1 |
Refrigeration | 5 |
Shipbuilding | 2 |
Technology | 87 |
United Nations | 1 |
Water resources | 4 |