rate of lump coal中文,rate of lump coal的意思,rate of lump coal翻译及用法
2025-11-24 20:44浏览次数 18
rate of lump coal
原煤块率
rate of lump coal 例句
英汉例句
because the rate of lump coal influence the price directly, so coal enterprises hope to have a method to control the rate of lump coal and increase the economy profit.