Grain Developing Forecast and Climatic Resource in the Third Sub-region of the Loess and Hilly-gully Areas of Gansu Province是什么意思_Grain Developing Forecast and Climatic Resource in the Third Sub-region of the Loess and Hilly-gully Areas of Gansu Province在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句