black coal的近义词
[机] 黑煤
1. 黑煤：421 黑皮螺栓 black bolt | 422 黑煤 black coal | 423 黑心展性铸铁 black heart melleable cast iron
2. 烟煤：black cloth 黑布 | black coal 烟煤 | black coffee 无奶浓咖啡
3. 煤：black chalk 黑垩 | black coal 煤 | black coating 黑色涂层
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1. They burned huge quantities of coal, their chimneys belching black smoke day and night.
2. The workers said they had even invented a machine that washes the coins, which get covered with black coal after going through the waste treatment process.
3. Analysts said the accidents were a warning of a possible surge of coal mine disasters as the demand for black coal rises in winter.
4. Analysts said the accident was a warning of a possible surge of coal mine disasters as the demand for black coal rises in winter.
5. The black refers to coal, and the white refers to salt.
6. The country's black lung therapy foundation has launched a public welfare project for coal miners nationwide.
7. Survivors described coal lumps flying into the shaft like a " black flood, " Xinhua said.