电火花电解复合加工
compound EDM and ECM technique
electric discharge-electrolytic combined machining
火花塞电阻测试仪
spark plug resistance tester
火花塞电阻试验
spark plug resistance test
超声电火花
ultrasonic electric discharge machining
Cladophialophora bantiana
超声－电火花复合加工
ultrasonic vibration assisted electric discharge m
超声电火花加工
ultrasonic EDM
ultrasonic electro discharge machining
uedm
超声磨料混粉电火花加工
Ultrasonic abrasive mixed powder EDM
超声振动辅助电火花-磨削复合加工
Ultrasonic Vibration Assisted Electro-discharge and Grinding Combined Machining