青云翻译

From the sintering of steel, iron, steel, rolled steel and power plants, oxygen equipment and technology training for all

Steel mill from the sinter, iron making, steel making, rolling and power plants, oxygen equipment and process training

To steel mill from agglutination, iron-smelting, steel-making, steel rolling and power plant, oxygen manufacture various equipment and craft training

The steel mill from sintering, iron and steel, power plants, steel rolling and oxygen each equipment and craft training

Steel mill from the sinter, iron making, steel making, rolling and power plants, oxygen equipment and process training