a circular section with fixed diameter
circular section
圆形截面
圆形剖面
圆形断面
圆弧形截面
圆截面
圆弧标度尺
圆裁面
circular section aluminum-alloy
Circular section member
circular section member in eccentricity compression
free flow in circular section
pipeline with circular section
RC short column of circular section
correction from normal section to geodesic
ratio of section height to section thickness
Transition Section from Road to Bridge
transition to market economy
CC of rectangular section
Cold Drawn Section Steel of Rectangular Section
rectangular section flume
rectangular section vessel
Bridge-subgrade Transition Section
Cone-Shaped Case Transition Section