triangularlyadv.成三角形地triangularadj.三角形的；以三角形为底的；三方的；(感情上)三角关系的triangular oil stone三角油石triangular parachute三角形降落伞triangular operation三边业务triangular compasses三角规triangular structure三角形结构triangular resonator三角结triangular nanoplate三角形纳米盘Triangular Relations三角关系triangular - debts三角债triangular surveyingn.三角测量