charred coal

同根派生

I immediately recognized the charred traces of a fire.
我一下子就辯認(rèn)出了水燒過(guò)后留下的焦炭痕跡。
The gas and petrol are examples of secondary fuels by which coal and oil may be more effectively used.
焦炭，煤氣和汽油是更加有效地利用煤和石油的第二級(jí)燃料的范例。
The last possible result is that China's domestic demand for coking coal rising prices.
而最后可能出現(xiàn)的結(jié)果是中國(guó)國(guó)內(nèi)焦煤需求上升，價(jià)格上漲。
The coke dry quenching plant and pneumatically selective crushing technology for cokemaking coal of the company are narrated in detail.
并對(duì)該公司的干熄焦裝置和煉焦煤風(fēng)動(dòng)選擇粉碎技術(shù)作了詳述。