三棱[sān léng]1.■{植} rhizoma sparganii; trigone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
接受