pressure relief valve ball

例句：

1. 1.The pressure relief valve ball is used to relieve the pressure in the system.
   减压阀球用于系统内减压。
2. 2. The pressure relief valve ball was designed to prevent overheating of the system.
   减压阀球的设计旨在防止系统过热。
3. 3. The pressure relief valve ball is an important component of the safety system.
   减压阀球是安全系统的重要组成部分。