RESEARCH OF METHODS ON RESISTANCE TO DOWNY MILDEW INDUCED WITH COPOLYMER OF CHLORINE AND POTASSIUM IONS IN CUCUMBER是什么意思_RESEARCH OF METHODS ON RESISTANCE TO DOWNY MILDEW INDUCED WITH COPOLYMER OF CHLORINE AND POTASSIUM IONS IN CUCUMBER在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句