废物利用: 42 phrases in 18 subjects |
Agriculture | 1 |
Automobiles | 1 |
Business | 3 |
China | 1 |
Earth sciences | 2 |
Ecology | 4 |
Economy | 3 |
Electronics | 1 |
Explosives and Explosive Ordnance Disposal | 2 |
General | 1 |
Genetics | 1 |
International trade | 1 |
Management | 1 |
Metallurgy | 1 |
Name of organization | 1 |
Technology | 16 |
Textile industry | 1 |
United Nations | 1 |