 |
| 排放管: 67 phrases in 17 subjects |
| Agriculture | 1 |
| Automobiles | 1 |
| Aviation | 6 |
| Chemistry | 1 |
| Drilling | 3 |
| Ecology | 3 |
| Electronics | 10 |
| Engineering geology | 2 |
| Environment | 1 |
| General | 2 |
| Hydraulics | 1 |
| Mechanics | 1 |
| Metallurgy | 1 |
| Nautical | 1 |
| Oil / petroleum | 6 |
| Polymers | 1 |
| Technology | 26 |