open vent

• 开式通风口

open vent的用法和样例：

例句

1. When the vent became plugged, the engine would stop.
   当通风口被堵塞时，发动机就会停转。
2. They never made it that far Wednesday, when hydrogen gas spewed into the air from a vent line connected to Discovery's external fuel tank.
   周三，氢气从连接到发现号外部燃料箱的通风口中泄露，这阻止了他们登机。