 |
| |||
| blast-furnace top arrangement | |||
| top appliance; top charging equipment; top structure | |||
| top arrangement; top construction; top assembly | |||
| колошниковое устройство: 11 phrases in 4 subjects |
| Mechanic engineering | 1 |
| Metallurgy | 4 |
| Technology | 5 |
| Thermal engineering | 1 |