antifriction ring holder screw 减摩环托螺钉
orifice ring holder [机] 料碗壳
URETHANE RING HOLDER 聚脂环架
seal ring holder 密封圈座
slip ring holder 推力环架
piston ring holder 活塞环夹持器
Has A Ring Holder 有一个环持有人
seal holder ring 密封座圈
The interior of the box, which is lined with ivory suede, has a ring holder.
框的内部，这是一条象牙麂皮绒，有一个环持有人。
Unless an engagement ring is inserted into the ring holder, the clock will count down to the appointed date and set off the alarm.
除非将订婚戒指装进这个装置里，这个闹钟将会在设定的日期响起，提醒女性要积极求偶。
The results show that eccentricity of ring holder affects the deformation resistance that the velocity field is a non-perfect triangular one.
结果表明抱辊偏心对变形抗力有影响，辗扩工艺具有不完整的三角形速度场。
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