“铬化”造句

研究表明,用白云石砖 、 尖晶石砖、镁锆钙砖代替镁铬砖,符合碱性砖无铬化的发展趋势.
These chrome free bricks include dolomite bricks, magnesia spinel bricks and magnesia calcium zirconate bricks.

• #铬化