gas shielded arc welding气体保护电弧焊; 气体保护焊 gas shielded arc-welding machine气体保护弧焊机 gas shielded magnetic flux arc welding磁性焊剂气体保护电弧焊 ..
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... 脉冲弧焊机 pulsed arc welding machine 气体保护弧焊机 gas shielded arc welding machine 氩弧焊机 argon arc welding machine ...
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... gas shield 气体防护 gas shielded arc welding machine 气体保护弧焊机 gas show 气显示 ...
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