Avermectin, fenpropathrin and high efficiency cypermethrin are the active principles of 3. 8% the compound metioned in title.是什么意思_Avermectin, fenpropathrin and high efficiency cypermethrin are the active principles of 3. 8% the compound metioned in title.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句