◎ 喷管 pēnguǎn
(1) [spout]∶使容器喷出液体的管
(2) [nozzle]∶将蒸汽或气体送至涡轮机转子叶片处的任何一条通道

1.spray tube; jet nozzle; nozzle; effuser; jet tube; rod pipe; sprayer