solid coal造句怎麼寫
- 造句
- 關注:1.3W次
2、The research has a very important economic significance for reformation of the dry system of minute titanium particles of Panzhihua titanium Concentrating Plant as the fuel with solid coal.
1、The result shows that the viscosity is greatly increased while the solid coal powder distributed in the inside of slag and result in poor separation of molten iron and slag.
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