coal-tar asphalt coal tar pitch 煤焦油沥青
petroleum asphalt-coal-water slurry 石油沥青水煤浆
coal tar asphalt 煤焦油沥青
Coal asphalt admixture material 煤沥青混合料
coal-tar asphalt 煤焦油沥青
coal-tar r asphalt 煤焦油沥青
coal asphalt 煤沥青
Minerals are chromium, copper, nickel, iron, asphalt, coal and petroleum.
矿藏有铬、铜、镍铁、沥青、煤、石油等。
These are usually highly toxic substances from coal or from asphalt refining, and has led to cancer.
这些高毒性物质通常是从煤或沥青炼制而来，而有导致癌症的可能。
The modification of the asphalt with anthracitic coal and coke were studied in this paper.
采用无烟煤和焦炭对国产普通沥青进行了改性研究。
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