blind flange

例句：

1. 1. The blind flange is a crucial component of the new machine.
   盲法兰是新机器的关键部件。
2. 2. The engineer carefully assembled the blind flange before starting the project.
   工程师在开始项目之前仔细组装了盲法兰。
3. 3. The blind flange was designed to ensure a tight fit and prevent leaks.
   盲法兰被设计成确保紧密配合，防止泄漏。