Gaoyang Iron Mine is a small-sized ore body of contact metasomatic skarn and is a typical karst ore body with water in the north of our country.是什么意思_Gaoyang Iron Mine is a small-sized ore body of contact metasomatic skarn and is a typical karst ore body with water in the north of our country.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句