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脉冲氩弧焊 màichōng yàhúhàn
avia. argon shielded arc welding-pulsed
chem. pulsed argon arc welding
oil pulse argon arc welding
railw. argon shielded arc welding pulsed arc
space argon shielded arc; welding-pulsed arc
脉冲氩弧焊: 10 phrases in 3 subjects
Rail transport2
Space3
Technology5