The chemical composition of sewage produced in Gaoshangbao Oilfield is analyzed.The effects of deoil by using agent and suspended solids are studied.是什么意思_The chemical composition of sewage produced in Gaoshangbao Oilfield is analyzed.The effects of deoil by using agent and suspended solids are studied.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句