基本解释硝酸铵炸药英汉例句双语例句The content of TNT in seismic explosive columns is decreased 50% because of using expanded ammonium nitrate instead of common ammonium nitrate.用膨化硝酸铵替代原用普通硝酸铵，震源药柱内装药中的梯恩梯含量降低50％。tnt ammonium nitrate explosive tnt更多例句专业释义化学硝酸铵炸药