带径向接管的圆柱壳
cylindrical shell attached branch pipe
层合圆柱壳体
laminated cylindrical shell
耐压圆柱壳体
pressurized cylindrical shell
水下圆柱壳体
underwater cylindrical shell
同轴圆柱壳体
coaxial cylindrical shell
无限长FFS圆柱壳体
an finite FFS cylindrical shell
带孔的碳钢中心管
perforated carbon steel base
带孔柱透镜
a pillar lens with a hole
带肋圆柱壳结构
ring-stiffened cylindrical shells