Mechanism for Mulching Increasing Foxtail Millet Yields in North Shaanxi Region with Plastic Film on the Ridge and Straw in the Ditch是什么意思_Mechanism for Mulching Increasing Foxtail Millet Yields in North Shaanxi Region with Plastic Film on the Ridge and Straw in the Ditch在线翻译_英语_读音_用法_例句