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| 接触法 | |||
| 直接探测法 | |||
| 污水处理接触法 | |||
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contact method : 28 phrases in 11 subjects |
| Agriculture | 1 |
| Earth sciences | 1 |
| Ecology | 2 |
| Electronics | 1 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Metallurgy | 4 |
| Oil / petroleum | 4 |
| Space | 2 |
| Technology | 10 |
| Textile industry | 1 |
| Water resources | 1 |
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