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电阻对焊 diànzǔ duì hàn
bridg.constr.	resistance butt welding
chem.	upset butt welding
met.	butt resistance welding
railw.	upset welding
tech.	resistance butt-welding; slow butt welding
电阻对接焊
met.	upset butt welding
tech.	upset butt welding
电阻对〔头〕焊〔接法〕
gen.	upset butt welding

电阻对焊: 30 phrases in 6 subjects

Automobiles	3
Aviation	1
Electronics	1
Metallurgy	9
Oil / petroleum	3
Technology	13