短語詞組短語refine triangular plate element 精化三角形板單元parameters triangular plate element 九蓡三角形板元parameter triangular plate element 九蓡三角形板元refined triangular plate element 精化三角形板單元TRUNC triangular plate bending element TRUNC 板彎曲單元9 parameters triangular plate element 九蓡三角形板元9 parameter triangular plate element 九蓡三角形板元high -precision triangular plate bending element 高精度三角形板單元energy -orthogonal triangular plate element 能量正交元 返回 triangular plate element