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滤 管 : 216 phrases in 26 subjects |
| Agriculture | 3 |
| Air defense | 1 |
| Animal husbandry | 1 |
| Architecture | 1 |
| Astronautics | 1 |
| Automobiles | 17 |
| Aviation | 3 |
| Chemistry | 2 |
| Compressors | 2 |
| Construction | 1 |
| Drilling | 6 |
| Ecology | 3 |
| Electronics | 8 |
| Engineering geology | 11 |
| General | 3 |
| Hydroelectric power stations | 3 |
| Life sciences | 2 |
| Metallurgy | 9 |
| Mining | 1 |
| Oil / petroleum | 13 |
| Rail transport | 6 |
| Shipbuilding | 3 |
| Surgery | 1 |
| Technology | 112 |
| Textile industry | 1 |
| Water resources | 2 |
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