| |||
oil regeneration | |||
oil recovery |
油再生 : 56 phrases in 14 subjects |
Armored vehicles | 1 |
Automobiles | 4 |
Chemistry | 3 |
Drilling | 1 |
Ecology | 2 |
Environment | 1 |
Exhibitions | 1 |
Food industry | 4 |
General | 1 |
Metallurgy | 5 |
Oil / petroleum | 16 |
Rail transport | 1 |
Shipbuilding | 1 |
Technology | 15 |