POOL FORMING PATTERN AND PROCESS OF THE UPPER PERMIAN-LOWER TRIASSIC, THE PUGUANG GAS FIELD, NORTHEAST SICHUAN BASIN, CHINA是什么意思_POOL FORMING PATTERN AND PROCESS OF THE UPPER PERMIAN-LOWER TRIASSIC, THE PUGUANG GAS FIELD, NORTHEAST SICHUAN BASIN, CHINA在线翻译_英语_读音_用法_例句