dispersing nozzle的用法和样例：
例句
- It is impracticable for the nozzle operator to control the cleaning nozzle and the fail-safe valve simultaneously.
喷枪操作员无法同时操作喷枪和故障安全阀。 - The types of nozzle and lance used must be appropriate for the type of work and all operators must be experienced in the use of the particular combination chosen.
使用的喷嘴和喷枪的类型必须适合于具体的作业类型，所有操作人员均必须熟悉如何使用所选定的类型组合。
