三棱

• trigone

参考释义

三棱 [sān léng]

• -
• 短语
  三棱板 deltoid plate
  三棱尺 three-square rule; three-edged rule; three-square scale; triangular scale
  三棱刀 three-square tool
  三棱刮刀 striking knife
  三棱石 {地质} dreikanter
  三棱柱 {数} triangular prism
  三棱锥 {晶} triangular pyramid