foreline hose

例句：

1. 1. The engineer used a foreline hose to clear the blockage in the pipeline.
   工程师使用前导软管来清理管道中的堵塞。
2. 2.The construction workers were using foreline hoses to spray water on the dry ground.
   建筑工人正在使用前导软管向干燥的土地喷水。
3. 3. The firefighters used foreline hoses to extinguish the flames from the building.
   消防员使用前导软管从建筑物中扑灭火焰。