青云翻译

Iron ore, or concentrate the chemical structure, composition, mineral composition and other factors determine the quality of ore, and the chemical composition is divided into:

Iron ore, chemical structure, composition or concentrate composition and other factors determine the quality of the ore, minerals, and chemical composition is divided into:

The iron ore, or factor determination ore and so on ore concentrate chemical constitution, ingredient, mineral substance composition qualities, and divide into the chemical composition:

Iron ore, or concentrates of the chemical structure, composition, and mineral composition, and other factors determine quality ore of chemical ingredients, and will be divided into:

Iron ore, chemical structure, composition or concentrate composition and other factors determine the quality of the ore, minerals, and chemical composition is divided into: