felt ring retainer 毡环挡圈
oil-ring retainer 油环档圈
shift ring retainer 变速环保持器
ring retainer 环保持器 ; 卡环
snap ring retainer 弹性挡环保持器
retainer ring 弹簧卡环 ; 卡圈 ; 卡环
lock valve ring retainer 气阀弹簧锁头
o ring retainer O型圈护座
A screwdriver is used to remove the spiral seat retainer ring from its groove.
采用一把螺丝刀从凹槽中拆卸螺旋阀座定位器环。
Seat ring and retainer are available in full and restricted port constructions, and can easily be changed if capacity requirements change.
座圈和保持架可在充分和限制的港口建设，而且很容易改变，如果需求变化的能力。
Structure and features of linear bearing is a shell, special ball, retainer ring or a ring with both ends of the card formed.
构造与特点直线轴承是由壳体、专用钢球、保持器与两端卡环或密封圈所组成。
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