Evaluation of Hydrocarbon Source Rocks in Permian and Triassic at Guangyuan-Wangcang Region in Northwest Sichuan Basin and a Primary Discussion on Gas Source是什么意思_Evaluation of Hydrocarbon Source Rocks in Permian and Triassic at Guangyuan-Wangcang Region in Northwest Sichuan Basin and a Primary Discussion on Gas Source在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句