auxiliary stop valve

例句：

1. 1. Theauxiliary stop valve is usedto prevent the engine from overheating.
   辅助停止阀用于防止发动机过热。
2. 2. The engineerreplaced the auxiliary stop valvewith a new one.
   工程师用一个新的代替了旧的辅助停止阀。
3. 3. The auxiliary stop valve was responsible for controllingthe flow of oil in the engine.
   辅助停止阀负责控制引擎中油的流动。