| |||
heavy petroleum | |||
heavy petroleum oil |
重 石油 : 53 phrases in 12 subjects |
Business | 1 |
Chemistry | 4 |
Drilling | 2 |
Earth sciences | 4 |
Finances | 1 |
General | 2 |
Metallurgy | 1 |
Oil / petroleum | 8 |
Oil processing plants | 6 |
Pharmacology | 1 |
Polymers | 1 |
Technology | 22 |