HSK 5
Xiāofángyuán tiáozhěng pēnzuǐ, jiādà shuǐliú liàng.
The firefighter adjusted the nozzle to increase the water flow.
HSK 7-9
Shuǐguǎn de pēnzuǐ huài le, xūyào gēnghuàn.
The nozzle on the hose is broken and needs to be replaced.
HSK 7-9
3 D dǎyìnjī de pēnzuǐ dǔsè le.
The nozzle of the 3D printer is clogged.
