孔超

孔超孔超
  1. 人胎腹膜孔超微结构的研究

    Ultrastructural study of the peritoneal stomata in human fetuses

  2. 微细孔超高速钻削电主轴的开发

    High-speed Motorized Spindle Design For Micro-drilling Drilling Machining of the Workpiece with Very Small Hole