conical

• Interior six - angled conical - ended fixing screw
  内六角锥端紧定螺钉
• Improvement on conical hole of bored shaft in milling - boring machine
  如何消除镗床镗杆轴向窜动
• Nut and conical spring washer assemblies
  螺母和锥形弹簧垫圈配件
• Laboratory glassware . standard conical tubing connectors
  实验室用玻璃器皿.标准锥形磨光管式接头
• Laboratory glassware - boiling flasks with conical ground joints
  实验室玻璃器皿.锥形磨接口烧瓶
• Dynamical research on a cylindrical and conical composite horn
  圆锥过渡复合变幅杆动力学特性研究
• Problems about the conical section chord through a special point
  关于过特殊点的圆锥曲线弦的问题
• Screws with conical spring tightening washer . product grade a
  带锥形盘簧密封垫圈的螺钉.级产品
• Laboratory glassware . interchangeable conical ground joints
  实验室用玻璃器皿.可互换锥形磨光接头
• Laboratory glassware - boiling flasks with conical ground joints
  实验室玻璃器皿.锥形磨口接头烧瓶