coal waste

• 煤渣

coal waste的用法和样例：

例句

1. The coal has been burnt to cinders.
   煤烧成了煤渣。
2. A man salvages coal at a cinder dump site in Changzhi, Shanxi province China.
   中国山西长治，一名男子在煤渣处理站捡拾煤炭。