magnetic mechanical seal

例句：

1. 1. The magnetic mechanical seal is a crucial component in the manufacturing process.
   磁性机械密封是生产过程中的一个关键组件。
2. 2. The engineer used a magnetic mechanical seal to ensure the integrity of the pipeline.
   工程师使用磁性机械密封来确保管道的完整性。
3. 3. The magnetic mechanical seal was designed to minimize leakage and improve efficiency.
   磁性机械密封被设计成最小化泄漏并提高效率。