Shuǐguǎn de pēnzuǐ huài le, xūyào gēnghuàn.
The nozzle on the hose is broken and needs to be replaced.
3D dǎyìnjī de pēnzuǐ dǔsè le.
The nozzle of the 3D printer is clogged.
Xiāofángyuán tiáozhěng pēnzuǐ, jiā dà shuǐ liúliàng.
The firefighter adjusted the nozzle to increase the water flow.