linch pin

英 美
  • 开口销
  • Linch n.林奇
  • pin n.别针(大头针);徽章;脚v.钉住;别住;固定住abbr.个人识别码(=PersonalIdentificationNumber),邮编(=PostalIndexNumber)
名词 linchpin:
  1. a central cohesive source of support and stability

  2. pin inserted through an axletree to hold a wheel on

    1. Remove the cotter pin and nut from the drag link at the pitman arm.
      从转向拉杆上拆下转向摇臂处的开口销和螺母。
    2. They can also replace some spring spacers, pin lockers and other mechanical fasteners.
      可替代弹簧垫,开口销等机械锁固方式。