Development of ZDZ & ⅱ Heavy Type MultiFunction Vibrating Synthesis Displayer
关于《ZDZ&Ⅱ重力型多功能振动合成仪》的研制
Its spermatocidal effect is better that than of ZDZ ( the biliary powder from pig ) of our country .
其杀精效果优于我国的ZDZ（猪胆粉）。
zdz