Liaoxi Sag, located in the western Liaodongwan Bay area of the Bohai Bay Basin, was a half-graben in the Paleogene.是什么意思_Liaoxi Sag, located in the western Liaodongwan Bay area of the Bohai Bay Basin, was a half-graben in the Paleogene.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句