-
1.The calorific value of coal is an important factor in determining its economic value.
煤炭的热值是决定其经济价值的重要因素。
-
2.Thermal power plants use coal to generate electricity, and the calorific value of coal is a crucial factor in their operation.
热电厂使用煤炭发电，煤炭的热值是其运营的关键因素。
-
3. The calorific value of coal is measured by the amount of heat it releases when burned, which affects its priceand usage.
煤炭的热值是通过燃烧时释放的热量来衡量的，这影响了它的价格和使用。