perforator ['pɜ:fəreɪtə]

例句:

• Objective To study the influence of the pedicle perforator flaps in hemodynamics.
  目的研究主干蒂与穿支蒂穿支皮瓣血流动力学的差异.
  
• Perforation effect is seriously affected by the clearance between perforator and casing.
  射孔枪与套管之间的间隙过大会影响射孔效果,太小容易出现工程事故.
  
• Wood - base panels . Determination of formaldehyde content. Extraction method called the perforator method.
  木质 人造板. 甲醛含量的测定. 称为“穿孔法“的提取法.