The Dongying depression was once a half-graben fault lake basin being steep in the north and gentle in the south during the deposition of the Shahejie Formation.是什么意思_The Dongying depression was once a half-graben fault lake basin being steep in the north and gentle in the south during the deposition of the Shahejie Formation.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句