This paper took Jiangyingxiang as an example to expound the ecotope characteristics of soil resources in the limestone mountain areas in Guangdong.是什么意思_This paper took Jiangyingxiang as an example to expound the ecotope characteristics of soil resources in the limestone mountain areas in Guangdong.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句