精密三角截面棱镜  precise triangular-section prism

入口截面角  inlet section angle

三角截面  trilobal section

三角截面涤纶  triangle polyester fiber

微分截面角分布  anglular distribution

等截面通道角形挤压  equal channel angular pressing

法截面方位角  normal section azimuth

非标准带圆角矩形截面容器  nonstandard pressure vessels of rectangular cross section with round angles

角散射截面  angular scattering cross section probable

角形截面  angle section

截角八面体  frustum-octahedron

截面转角  sectional twisting angle

三角形截面  section of triangle; triangular cross-section

三角形截面弹芯  triangle cross-sectional projectile

三角形截面桩  triangle section pile

双角钢组合截面  dual-angle steel combined section

二面角角反射体  Dihedral corner reflector

超平面截面  hyperplane section

垂直截面面积  Perpendicular cross section area