companion blind flange

例句：

1. 1. The engineer designed the companion blind flange to ensure a secure connection between the pipeline and the equipment.
   工程师设计了陪伴盲板法兰，以确保管道与设备之间牢固连接。
2. 2. During the installation process, the blind flange was used to protect the joint from damage.
   在安装过程中，盲板法兰被用来保护接合处免受损坏。
3. 3. The blind flange is an essential component of the pipeline system, providing a secure seal and preventing leaks.
   盲板法兰是管道系统的一个关键部件，它提供了一种安全的密封，防止泄漏。