 |
| |||
| Berlin iron | |||
| forgeable iron; flat bar iron | |||
| ductile iron; malleable iron; wrought iron | |||
| dug iron; forge iron; malleable iron (общее понятие); Mall.I. (общее понятие) | |||
| soft iron | |||
| malleable iron (в Англии); malleable casting | |||
| |||
| ductile iron | |||
| ковкое железо: 11 短语, 3 学科 |
| 冶金 | 1 |
| 建造 | 1 |
| 机械工程 | 9 |