方形截面  square section; quadrate cross section; squared cross-section

方形截面导弹  square section missile

方形截面柱体  square cross-section column

钢方管截面柱  steel box section columns

古代箜篌的方方面面  Aspects of the Ancient Konghou

正方形截面长隧道  long square-section tunnel

正方形截面硅晶锭  square silicon ingot

正方形截面通道  square channel

钢管截面形式  section of steel tube

矩形管截面  rectangular hollow section

长方形方材  Rectangular timber

长方形形导轨  rectangular guideway

法截面方位角  normal section azimuth

方截面弯管  square duct

方形管  box section; square tubing

加筋方形管  stiffened square tube

截面方程  cross section equation

矩形方管  rectangular square tithe

锥形方管  tapered pipe with square cross section