石油含硫化合物
sulfur compounds in petroleum
高含硫石脑油
Higher containing-sulfur naphtha
高含硫含油污水
oily wastewater containing high sulfide
中国石油石油勘探开发科学研究院
Research Institute of Petroleum Exploration and Development
PetroChina
中国石油石油勘探开发科学研究院西北分院
northwest sub-institute
Research Institute of Petroleum Exploration and Development
PetroChina
northwest branch
northwest institute
中国石油石油勘探开发研究院
Petroleum Exploration and Development Research Institute
PetroChina
beijing
汽油硫含量
sulfur content in gasoline
gasoline sulfur content
石油含氮化合物
nitrogen compounds in petroleum
高硫石油焦
high sulfur petroleum coke
High-sulfur Petroleum Coke
petroleum coke avec high sulphur content
Petroleum Coke with a High Sulfur Content
high-sulfer petroleum coke
high sulphur content petroleum coke
高硫石油焦渣
high-sulfur petroleum coke waste