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高频电阻焊 gāopín diànzǔ hàn
auto. H.F. resistance welding
avia. high-frequency resistance welding (接)
oil high frequency resistance welding
oil, transp. high-frequency resistance welding
railw. high frequency upset welding
高频电阻焊 gāopín diànzǔ hàn
met. high frequency resistance welding
高频电阻[接触]焊
space high frequency resistance welding