【摘要】 本文结合工作实践并在查阅了国内外大量资料的基础上，对多孔粒状硝酸铵的孔隙形成机理及生产工艺作了概述与比较。更多还原

【Abstract】 Based on looking up lots of world-wide documents,the author summarizes and compares the porosity forming mechanism of porous prilled ammonium nitrate and its manufacturing technology更多还原