ring gap in bore汽缸内活塞环切口间隙
ring bo in环锭细纱机
ring a in画圆圈
ring chicken in salt桶子鸡
ring formation in mill磨结圈
piston ring gap in bore活塞环在气缸内的开口间隙
Ring need in the box戒指需要放进盒里
link ring used in mine矿用连接环
ring-in-ring type viscosimeter双圈形回转粘度计
PHRASAL VERB（动词词组） If you ring in, you phone a place, such as the place where you work. 给某个地方打电话 (如工作单位等) [英国英语]
24 million viewers rang in to cast their final votes last night.
昨晚，有2400万观众打进电话进行了最后的投票。