oxone过硫酸氢钾制剂oxn.牛；公牛oxacephem antibiotics氧头孢烯抗生素oxidative ammonolysis氨氧化反应Oxytropis macrobotrysn.长穗棘豆oxidative chlorination氧氯化作用oxyhydrogken voltmeter氢氧电量计; 气电量计oxy-fuel gas welding氧燃料气焊接oxy-acetylene burner氧乙炔喷燃器Oxytropis sericopetalan.毛瓣棘豆Oxymvcterus akodontiusn.阿根廷洞鼠oxalate coprecipitatio草酸盐共沉淀