automatic delivery control valve

例句：

1. 1.The automatic delivery control valve is responsible for controlling the flow of materials.
   自动送料控制阀负责控制物料的流动。
2. 2. The engineer installed the automatic delivery control valve to improve efficiency.
   工程师安装自动送料控制阀以提高效率。
3. 3.The automatic delivery control valve was designed to ensure safe and efficient operation.
   自动送料控制阀被设计为确保安全和高效运行。