coracite

例句：

1. 1. The company usescoracite as a raw material in its production process.
   该公司在其生产过程中使用高炉矿渣作为原材料。
2. 2. Coracite is a type of mineral that is used in the manufacture of steel.
   高炉矿渣是一种用于制造钢铁的矿物类型。
3. 3. The use of coracite has been shown to reduce greenhouse gas emissions.
   使用高炉矿渣已被证明可以减少温室气体排放。