block plane

例句：

1. 1. The block plane is used to prevent the flow of air in a tunnel.
   阻挡板用于防止隧道内空气流动。
2. 2. The engineer used a block plane to level the road surface.
   工程师使用阻挡板来平整道路表面。
3. 3. The block plane was designed to reduce noise pollution in the city.
   阻挡板的设计旨在减少城市噪音污染。