double O-ring rubber seal

例句：

1. 1. The double O-ring rubberseal is used to prevent leaks inthe pipeline.
   双O型圈橡胶密封件用于防止管道泄漏。
2. 2. Theengineer replaced the old doubleO-ring rubber seal witha new one.
   工程师用一个新的双O型圈橡胶密封件替换了旧的。
3. 3. The double O-ring rubberseal was designed to provide a tight fitand prevent damage to the equipment.
   双O型圈橡胶密封设计为提供紧密配合，防止设备损坏。