There are many kinds of nozzles, among which the needle-shape nozzle is widely used in practice.

喷嘴的型式很多，目前使用最广泛的是针型喷嘴。

youdao

There are many kinds of nozzles, among which the needle-shape nozzle is widely used in practice.

喷嘴的型式很多，目前使用最广泛的是针型喷嘴。

youdao