snap ring

基本解釋

The wheel band pre-installation used snap ring is wholly buckle installed in the groove of the wheel band relative to the rail car wheel.
所述的輪箍預(yù)裝用卡環(huán)，其整體扣裝在軌道機(jī)車輪對(duì)的輪箍的溝槽中。
ip.com
Your phonecam is the only picture-taker you're packing these days, so make it better with these peepers that snap over the existing lens via a magnetic ring.
你的手機(jī)相機(jī)是你這些日子依賴唯一的照相工具，所以為了讓相機(jī)上的”小眼睛“透過現(xiàn)有的鏡頭拍到更好的照片，在上面裝個(gè)磁環(huán)吧。
Deep Groove ball bearings are the most popular of all the ball bearing types because they are available in a wide variety of seal, shield and snap-ring arrangements.
深溝球軸承是所有類型的球軸承最流行的，因?yàn)樗麄兪窃谝粋€(gè)密封，盾牌和管理各種各樣的戒指安排可用。