Study on Deuterium Excess Parameter Tracer and Isotope Composition of the Karst Water in the Maoba Syncline of the Yuanliangshan Tunnel是什么意思_Study on Deuterium Excess Parameter Tracer and Isotope Composition of the Karst Water in the Maoba Syncline of the Yuanliangshan Tunnel在线翻译_英语_读音_用法_例句