indication of oil oil show's showing of oil shows of oil
Example Sentences:
1.
In the papery the hydrocarbon migration vestige of donghetang formation in the south - west of tahe oilfield is studied systematically by analyzing oiliness cores and slices and using microscope infrared spectroscopy ( micro - ftir ) technique which was used to this study for the first time 摘要通过塔河地区西南部古生界东河塘组岩心油显示及含油薄片分析，以及首次应用红外光谱石油基团成份测定技术，对该地区东河塘组油气运移痕迹做了一次系统的研究。
