Sequence stratigraphic feature of the Paleogene strata in the southwestern area of Qaidam Basin and the distribution mode of the subtle traps是什么意思_Sequence stratigraphic feature of the Paleogene strata in the southwestern area of Qaidam Basin and the distribution mode of the subtle traps在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句