nozzle of oxygen lance

例句：

1. 1.The printer's nozzle is clogged.
   打印机的喷嘴堵塞了。
2. 2.The car's air filter needs to be replaced regularly.
   汽车的空气过滤器需要定期更换。
3. 3.The gardener uses a watering can with a nozzle on the end.
   园丁使用带有喷头的浇水罐。