clamped joint seal

例句：

1. 1.The engineer used a special clamp to secure the joint.
   工程师使用一种特殊的夹具来固定接头。
2. 2. The new design ensures a tighter joint seal, reducing leakage.
   新设计确保更紧密的接头密封，减少泄漏。
3. 3. The seal was designed to prevent water from seeping through the joint.
   这个密封设计用来防止水从接头处渗透。