suction stop valve

例句：

1. 1. The suction stop valveis used to prevent the machine from overheating.
   吸力停止阀用于防止机器过热。
2. 2. The engineer replaced the suctionstop valve with a new one.
   工程师用一个新的替换了吸力停止阀。
3. 3. Thetechnician carefully inspected the suction stopvalve for any signs of wear or damage.
   技术人员仔细检查吸力停止阀，看是否有磨损或损坏的迹象。