cinnamon oil cassia oil

Essential oil Volatile oil

Extract Oil of Lubricating Oil

oil bearing sewage in oil field8

Oil Extractor in Oil Field

oil of oil shale

oil shale and oil shale residue

ultraheavy oil as fuel oil

semisynthetic

semisynthetic antibiotics

semisynthetic enzyme

semisynthetic method

semisynthetic feed

semisynthetic medium

“Four delicacies”in chicken oil

0# diesel oil

0(#) diesel oil

11# oil

120solvent oil

131-Iiodinated oil