【运输】端帽【电学】端盖

弹簧(1)用来保持尾盖(12)紧紧的压在石棉垫圈(11)上，以保证燃烧室的密闭性。

on the receiving end of

put an end to

at a loose end

front-end

end-window counter tube

regular end-of-year inventory【会计】

attaching the web end to the mandrel

root-mean-square end-to-end distance