emergency application valve

例句：

1. 1. The emergency application valve is used to control the flow of fluids during an emergency situation.
   紧急应用阀门用于在紧急情况下控制流体的流动。
2. 2.The engineers installed the emergency application valve at the entrance of the factory to ensure safety.
   工程师们在工厂入口处安装了紧急应用阀门，以确保安全。
3. 3.The emergency application valve was designed to prevent water from flowing into the building during a flood.
   紧急应用阀门被设计成在洪水期间防止水流入建筑物。