Petroleum coke, petroleum bitumen and other residues of petroleum oils or of oils obtained from bituminous minerals.
石油焦、石油沥青及其他石油或从沥青矿物提取的油类的残渣。
Bitumen forms from kerogen during petroleum generation.
在石油生成期间，由于酪根形成沥青质。
Cold fill bituminous mixture is a high-tech road repair materials, made from modified liquid petroleum bitumen and aggregate processing by certain hybrid made.
冷补沥青混合料是一种高科技道路修补材料，由液体改性沥青和集料按一定的加工工艺混合制成。
The Canadian Association of Petroleum Producers (CAPP) reported a 300 MB rise in bitumen reserves for 2003 but a 200 MB decline in conventional crude.
加拿大石油生产商协会(CAPP)报道说，2003年沥青储量增加了3亿桶，但是，常规原油却下降了2亿桶。
It is in keeping with the requirement of environmental protection and economic efficiency to produce impregnating pitch from petroleum bitumen modified.
认为石油沥青经过改性后制备浸渍剂沥青符合环保和经济性要求。
It is in keeping with the requirement of environmental protection and economic efficiency to produce impregnating pitch from petroleum bitumen modified.
认为石油沥青经过改性后制备浸渍剂沥青符合环保和经济性要求。
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