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立焊 lì hàn
bridg.constr. vertically welding
met. vertical position welding; vertical weld; vertical welding
oil vertical position welding
tech. longitudinal weld
向下立焊 lì hàn
construct. vertical down weld
立焊
: 41 phrases in 7 subjects
Automobiles3
Chemistry1
General2
Metallurgy15
Oil / petroleum3
Rail transport4
Technology13