flame pipe

例句：

1. 1. The fire department uses flame pipes to extinguish the fire.
   消防部门使用火焰管来扑灭火灾。
2. 2.The engineers designed a new flame pipe for the new plant.
   工程师们为新工厂设计了一种新型的火焰管。
3. 3.The flame pipe was used as a safety device during the construction of the bridge.
   在建造桥梁的过程中，火焰管被用作安全装置。