helix

• Slow - helix straight shank drill
  小螺旋角直柄钻头
• They find a third , separated strand in the center of the double helix
  他们发现了第三条，在双螺旋体中心的单独条。
• It has been discovered to be the double helix building block of all life
  已经发现是建造所有生命模块的双螺旋体线。
• Lsj series helix conveyor
  Lsj系列螺旋输送机
• Study of helix slow wave structure taking the radial thickness into account
  考虑螺旋带径向厚度的螺旋线慢波系统的研究
• Normal , double - helix dna is spiral , like a loosely coiled spring
  正常的双螺旋dna是螺旋形的，像一根松松地卷曲的弹簧。
• He kamov ka - 27 helix is a soviet shipborne anti - submarine and utility helicopter
  1969年开始研制，原型机于1973年首飞。
• The collagen in the serosa is made up of a triple helix molecular structure
  绒毛膜上的胶原组成了三角形的落选分子结构。
• The helix master of gear
  齿轮螺旋线样板
• Each step of the double helix is a base made up of two kinds of nucleic acid
  每阶二重螺旋线都是一个碱基，由两种核酸组成。