短语
快门速度调整圈
shutter speed setting ring
整圈卡瓦
full circle slip
整圈性
Circumferential
望远镜调整圈
telescope collar
一整圈
Full Circle
整圈绕组
full coiled winding
整圈连接围带
whole circle packed shroud
调整垫圈
Adjusting washer
;
adjustable disk
;
adjustable vwasher
;
adjusting spacer
不整合圈闭
unconformity trap