bolt washer

基本解释

Make sure the bolt and washer are installed for the right aft mount on the APU shroud.
确证在APU 保护罩的右后吊点上安装了螺栓和垫圈。
The pretightening force of FRP construction bolt joint has been researched in the theory of bolt washer stress.
应用螺栓-垫圈应力理论对FRP结构搭接点预紧力进行了研究。
The real problem is the hundreds of thousands of other parts, some as apparently insignificant as a bolt or a washer, that are simply not manufactured any more.
真正的问题是成千上万的其他零部件，一些显然是无足轻重的零件像一个螺丝或者是一个垫圈，而这些东西已不再生产。