特殊用法bottom stiffener1.底部加强肋center sill stiffener1.中梁补强铁end stiffener1.端部加劲物pipeline stiffener1.管道支肋ribbed stiffener1.加劲肋shoe stiffener1.皮鞋硬衬steel stiffener1.钢质加硬器transverse stiffener1.横向加强构件vertical stiffener1.竖向加劲杆web stiffener1.梁腹加筋角铁, 腹板加筋件