nozzles and other connections

例句：

1. 1. The nozzles on the sprayer are designed to deliver a fine mist.
   喷灌机上的喷嘴设计用来喷射细雾。
2. 2. The engineers were working on fixing the leaky nozzles in the pipeline.
   工程师们正在修理管道中漏油的喷嘴。
3. 3.The new model has improved the connections between the different parts of the machine.
   新款机器改进了各个部件之间的连接。