A virus disease of sugar beet occurred in Ningxia showing symptoms of yellows, parch blight and necrotic yellow vein of foliage leaves.是什么意思_A virus disease of sugar beet occurred in Ningxia showing symptoms of yellows, parch blight and necrotic yellow vein of foliage leaves.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句