hammered resistance welding的意思|示意

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电阻锤焊

锤锻电阻焊 hammered granolithic finish剁斧石面 pean-hammered finish斧锤琢面 hammered resistance welding锤锻电阻焊; 电阻加热锻焊 ..

电阻加热锻焊 hammered granolithic finish剁斧石面 pean-hammered finish斧锤琢面 hammered resistance welding锤锻电阻焊; 电阻加热锻焊 ..

锤锻接触焊 ... ratio-frequency welding高频焊 hammered resistance welding锤锻接触焊; 电阻加热锻焊 parallel-arc weld平列弧焊 ...