stiffening ring meaning in Chinese

补强环
补强圈
环形加强隔框
加劲环
加强环
加强圈

Effect of stiffening rings on the characteristics of the vibration and sound field radiated by an axisymmetric shell
环肋对两端带半球帽圆柱壳声振特性的影响
Abstract : mechamical calculation method for jacket vessel with spiral plate , spiral plate setting and strength check were discussed , it shows that spiral plate can be used as stiffening ring
文摘:介绍带螺旋导流板的夹套容器强度计算方法、螺旋导流板的设置及强度校核等，螺旋导流板可起到加强圈的作用。