glass head seal

例句：

1. 1. The new product uses a glass headseal to prevent leakage during transportation.
   新产品使用玻璃头密封以防止运输过程中的泄漏。
2. 2.The engineer designed the glass head seal toensure tightness and durability.
   工程师设计了玻璃头密封，以确保紧密性和耐用性。
3. 3.The glass head seal is an essential componentof the safety valve system.
   玻璃头密封是安全阀系统的一个关键组成部分。