您要查找的是不是：
- plastic obturating ring 塑料闭气环
- The waste liquid collecting box is arranged with a glass carrier installing desk and a lower obturating ring. 废液收集箱上设有载玻片安装台和下密封圈。
- obturating ring of one-degree turbine 一级涡轮盘封严圈
- Certain fracture patterns (eg, those of column and T-shaped fractures) characteristically include fractures through the obturator ring. 好久未看此贴，所以回贴晚了，请包涵。
- The man is carrying a small black plastic handbag. 这个人提着一个黑色的小塑料提袋。
- She had the sapphire set in a gold ring. 她把那枚蓝宝石镶在金戒指上了。
- He is a plastic surgery specialist. 他是个整形外科医生。
- The diamond ring dazzled with brilliancy. 这只钻石戒指闪耀夺目。
- Many items in daily use are made out of plastic. 有很多日常生活用品是塑料制的。
- It is some kind of plastic made to imitate iron. 这是一种塑胶，但外观仿制得像铁。
- The fruit is prepackaged in plastic tray. 水果用塑料盘预先包装。
- She wears a diamond ring on her left hand. 她左手上戴着一枚钻石戒指。
- Many items in daily use are made of plastic. 很多日常生活用品是用塑料制成的。
- Our family reunions are always three ring circus. 我家合家团聚的场面总是热闹非凡。
- A kind of plastic stuff is used to make the plates. 这些盘子是用一种塑料制造的。
- I am sorry-she's out. Can you ring again later? 对不起－她出去了。你过些时候再打电话来好吗？
- Put your washing in the plastic bag. 把你要洗的衣物放到商行塑料袋中。
- The boys and girls made a ring round us. 男孩和女孩围着我们站了一圈。
- Plastic flowers are a particular hate of mine. 塑料花是我特别厌恶的东西。
- Please ring for the attendant if you need anything. 如果需要什么，请按铃找服务员。
