求翻译：先进超声波机清洗。一般这种清洗的费用较高，与用清洗机不同，它要拆下喷油嘴。其优点在于，可以用超声波对喷油嘴有无雾化、响应程度、开关灵敏度、是否漏油等进行检测。但其也存在缺点，由于在清洗过程中喷油嘴的电磁阀不动，阀芯的针孔不容易被清洗到。是什么意思？

Advanced ultrasonic machine cleaning. General the cleaning cost is higher, and the washing machine, it is to remove the nozzle. The advantage of using ultrasonic nozzle with or without atomization, and responsiveness to switch sensitivity, oil leaks were detected. But its shortcomings, the solenoid