只有高氯酸盐表现有显著的感度和可能具有起爆性能.Only the perchlorate shows marked sensitiveness and possibly initiating properties.目的〕研究建立测定烟火药剂中高氯酸盐含量的方法.A method for determination of perchlorates content in pyrotechnic compositions was establ...
这将作为老年人滋补品在市场上销售.It will be marketed as a tonic for the elderly.推销员宣称他的滋补品将治愈所有的病.The salesman proclaimed that his tonic would cure all diseases.你看上去有点虚弱, 你需要吃点滋补品.You look run - down; you need a tonic....