淤积: 111 phrases in 14 subjects |
Construction | 1 |
Ecology | 1 |
Electronics | 29 |
Environment | 1 |
Fishery fishing industry | 1 |
General | 24 |
Geology | 14 |
Mechanics | 1 |
Medical | 16 |
Oil and gas | 1 |
Oil processing plants | 2 |
Technology | 12 |
Water resources | 7 |
Water supply | 1 |