clamp ring meaning in English

夹环
夹紧环
夹圈
锁紧圈
压紧环

To prevent damage, the observer will choose a friction clamp or better still an adjustable clamping ring .
为防止损坏，观测者应采用摩擦夹紧方式，用可调夹圈更好。
Clamping ring stop
止动夹环
Clamp ring cam
锁紧圈凸轮
Clamp ring type
锁紧圈式
Press the buttons and retract the clamping cylinder for clamping ring on quick release coupling on carrier center section
"按下按钮并缩回起重车中段速脱离合器上压圈上的夹紧缸? ? ? ? ?