emergency stop valve

例句：

1. 1.The emergency stop valve is used to prevent the engine from overheating.
   紧急停止阀用于防止发动机过热。
2. 2. The engineer replaced the emergency stop valve with a new one.
   工程师用一个新的紧急停止阀替换了旧的。
3. 3.The emergency stop valve is essential for maintaining safe operations in emergencies.
   紧急停止阀对于在紧急情况下保持安全操作至关重要。