hinged movable support 铰接活动支座 ; 绞接活动支座

hinged immovable support 铰接固定支座

fixed hinged support 固定铰链支座

moveable hinged support 可动铰链支座

hinged support 铰接式支座

rolling hinged support 滚动铰支座

Yieldable hinged support 多铰可缩支架

unmoveable hinged support 不动绞支承

two sides hinged support 两端铰支

hinged plank support 板铰支座