内置加劲环加固
stiffened internal ring reinforcement
内加劲节点
inner-stiffened RHS joints
横向加劲肋
transverse stiffener
longitudinal stiffener
traverse staying stall bar
horizontal stiffening rib
加劲肋空心管
stiffening ribbed hollow pipe
加劲肋外伸宽度
outstanding width of stiffener
型钢加劲肋
siffeners made of profile steel
纵向加劲肋
thin-walled
longitudinal stiffeners
Longitudinal stiffened rib
longitudinal rib