The optimum medium: Avicel 2.14%, corn cob 1.98%, bean cake 2.17%, bran 0.5%,(NH4)2SO4 0.2%, KH2PO4 0.2%, MgSO4 0.03%, CaCl2 0.03%.是什么意思_The optimum medium: Avicel 2.14%, corn cob 1.98%, bean cake 2.17%, bran 0.5%,(NH4)2SO4 0.2%, KH2PO4 0.2%, MgSO4 0.03%, CaCl2 0.03%.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句