| |||
water treatment | |||
removal treatment | |||
cleaning treatment | |||
purification treatment |
净化 处 理 : 34 phrases in 12 subjects |
Earth sciences | 2 |
Ecology | 2 |
Economy | 1 |
Electric machinery | 1 |
Electronics | 2 |
Metallurgy | 4 |
Oil / petroleum | 1 |
Plastics | 2 |
Shipbuilding | 3 |
Technology | 14 |
Textile industry | 1 |
Water resources | 1 |