valve retainer lock

例句：

1. 1. Thevalve retainer lock was designed to preventleaks during the installation process.
   阀门保持器锁被设计用来在安装过程中防止泄漏。
2. 2. The engineer used a special toolto remove the valve retainer lock andreplace it with a new one.
   工程师使用特殊的工具来移除阀门保持器锁并更换它。
3. 3. The valve retainer lockis essential for maintaining the integrity of thepipeline system.
   阀门保持器锁对于维护管道系统的完整性至关重要。