基本解释古沉積麪同根派生 paleosurface相关词英汉例句The Carboniferous bauxite deposits in the western Henan Province occur on the planation paleosurface and was deposited in epicontinental seas or lakes of the North China Block. 豫西石炭系鋁土鑛形成於華北古夷平麪上,沉積於華北陸表海-湖泊環境中。paleosurface更多例句