3 Bituminous crude oil: Refers to crude oil extracted from bituminous minerals.
3 Bituminous crude oil: Refers to crude oil extracted from bituminous minerals.
三沥青矿原油：指自沥青质矿物提出之原油。
3 Bituminous crude oil: Refers to crude oil extracted from bituminous minerals.
三沥青矿原油：指自沥青质矿物提出之原油。