| |||
old-metal; scrap; scrap metal; waste metal | |||
metal scrap | |||
metallic scrap; old metal |
废金属 : 82 phrases in 9 subjects |
Earth sciences | 1 |
Ecology | 3 |
Environment | 2 |
General | 4 |
Metallurgy | 44 |
Oil / petroleum | 1 |
Steel production | 1 |
Technology | 20 |
Water resources | 6 |