GEOLOGICAL CHARACTERISTICS AND SIGNIFICANCE OF VOLCANIC ROCKS AT THE BOTTOM OF THE MIDDLE TRIASSIC MANGHUAI FORMATION IN YAKOU REGION, SIMAO CITY, YUNNAN PROVINCE是什么意思_GEOLOGICAL CHARACTERISTICS AND SIGNIFICANCE OF VOLCANIC ROCKS AT THE BOTTOM OF THE MIDDLE TRIASSIC MANGHUAI FORMATION IN YAKOU REGION, SIMAO CITY, YUNNAN PROVINCE在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句