vent port screw

例句：

1. 1. The engineer used a vent port screw to remove the blockage.
   工程师使用一个通风口螺丝来清除堵塞。
2. 2.The vent port screw was designed to ensure proper airflow in the engine.
   通风口螺丝被设计用来确保发动机内的空气流通。
3. 3. The screwdriver was used to tighten the vent port screws on the exhaust system.
   扳手被用来紧固排气系统上的通风口螺丝。