清管 : 101 phrase in 16 subjects |
Business | 1 |
Construction | 2 |
Drilling | 1 |
Electronics | 9 |
General | 38 |
Law | 1 |
Medical | 1 |
Name of organization | 1 |
Nautical | 1 |
Oil / petroleum | 20 |
Oil and gas | 2 |
Oil processing plants | 5 |
Oilfields | 5 |
Sakhalin | 1 |
Technology | 11 |
Water supply | 2 |