blast tube

• 送风管

blast tube的用法和样例：

例句

1. Tornadoes form when winds blowing in different directions meet in the cloud and begin to turn in circles.Warm air rising from below causes the wind tube to reach toward the ground.
   当云层中不同方向的风相遇且开始环向旋转时就形成龙卷风，低空热气流上升致使这种风管伸向地面。
2. A nozzled tube used to apply paint in a spray form.
   一种将颜料喷成雾状的喷嘴管。