常用短語

electric spark machining電火花加工；放電加工；電火花切削

electric spark machine tool電火花加工機(jī)床

resonant electric spark therapy共鳴電火花療法

electric spark ignitor電火花發(fā)火機(jī)

electric spark deposition電火花強(qiáng)化

electric spark drill電火花鉆井

Electric spark line電火花線切割

electric spark ignition電火花點(diǎn)火