fixed hinge bearing 固定铰支座

flexible hinge bearing 弹性支座

Single Hinge Bearing 单铰支座

linear-type concrete hinge-bearing 线式混凝土铰支座

drag-hinge bearing 阻力铰轴承

lag-hinge bearing 摆振铰轴承

point-hinge bearing 点铰支座

hinge bearing point 点铰支承

flapping-hinge bearing 挥舞铰轴承

feathering-hinge bearing 变距铰轴承