| |||
无污染 | |||
无公害的 | |||
无污染的 | |||
| |||
无污染的 | |||
清洁的【核】 | |||
无污染 (的) |
pollution-free : 27 phrases in 11 subjects |
Agriculture | 1 |
Chemistry | 1 |
Earth sciences | 1 |
Ecology | 5 |
Economy | 1 |
Explosives and Explosive Ordnance Disposal | 1 |
Metallurgy | 1 |
Oil / petroleum | 1 |
Space | 3 |
Technology | 11 |
Wind Energy | 1 |