“焦煤”造句

每年,这个煤矿都会产出5百万公吨的焦煤.
It produces 5 m tonnes of coking coal a year.

并在确保高炉优化用料的同时,提出了合理使用焦煤资源的有益建议.
And proposed some beneficial suggestions for the reasonable using metallurgical coal resources.

氨气 、 煤焦油、焦煤都是煤气生产过程中的 副产品.
Ammonia, coal tar and coke are all by - products obtained in the manufacture of coal gas.

• #焦煤