percentage of lump coal中文,percentage of lump coal的意思,percentage of lump coal翻译及用法
2026-03-22 01:28浏览次数 20
percentage of lump coal
块率
percentage of lump coal 例句
英汉例句
It is the focus problem for anthracitic coal production enterprise to increase percentage of lump coal and reduce amount of lump coal with size smaller than lower size limit.