small coal meaning in English
粉煤
碎煤
Examples
- A small coal fire burned in the grate .
炉子里生着小小的煤火。 - On how to carry out prospecting drainage in small coal mines
小煤矿如何进行井下探放水 - Practice of closed water circuit at small coal preparation plant
小型选煤厂洗水闭路循环的实践 - Major approaches for realizing safety in production at small coal mines
小煤矿实现安全生产的主要途径 - Safe management of the small coal mine
矿管小井的安全管理