基本解释磷酸氢二铵词组短语短语diammonium m hydrogen phosphate 磷酸氢二铵Feed grade diammonium hydrogen phosphate 饲料级磷酸氢二铵Diammonium -15N2 hydrogen phosphate 磷酸氢二铵diammonium hydrogen phosphate更多词组专业释义化学磷酸氢二铵