双头

• double-ended
• bipitch

参考释义

双头 [shuāng tóu]

• -
• 短语
  双头泵 bull pump
  双头畸胎 dicranus; craniodidymus; bicephalus; dicephalus
  双头假捻变形 duo-twist texturing
  双头接点 twin contact
  双头垄断 duopoly （即市场某一商品由两家卖主垄断）
  双头螺栓 stud
  双头螺丝钉 dowel screw
  双头螺纹 double threaded (screw); stud bolt
  双头卡规 double-end snap gauge
  双头式 bullhead
  双头镗床 double-ended boring machine
  双头蜗杆 double-thread worm
  双头针 double-ended needle