穿孔

• A skull and cross bones pierced through the tip of his -
  他在脸上，身上，穿孔带环-
• Ibm begins selling punch - card machinery in japan
  Ibm开始在日本销售穿孔卡片。
• One - inch perforated paper tape for information interchange
  信息交换用1英寸穿孔纸带
• Properties of unpunched oiled paper perforator tape
  穿孔器用的未穿孔涂油纸带的特性
• Multiple fractures , busted skull , punctured lung
  多处骨折,头骨损伤,肺穿孔
• Multiple fractures , busted skull , punctured lung
  多处骨折,头骨损伤,肺穿孔
• This machine perforates the sheets of stamps
  这台机器在这整版邮票上面穿孔。
• Tagging cells with quantum dots by electroporation
  电穿孔法在量子点标记细胞中的应用
• New technique application of pe puched tape micro - irrigation
  穿孔带微灌新技术的应用
• A skull and cross bones pierced through the tip of his - -
  他在脸上，身上，穿孔带环- -