The case analysis and calculation from QL oilfield shows that there are additional potentials on the primary density and ratio under the rising of current oil price.是什么意思_The case analysis and calculation from QL oilfield shows that there are additional potentials on the primary density and ratio under the rising of current oil price.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句