... n.小型汽车,小火车,吉普车 puddle welding熔焊 puddle furnace搅炼炉 ...
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... projection welding凸出焊接; 凸焊 puddle welding堆焊 pulsation spot welding脉冲点焊 ...
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welding puddle 烧焊熔池
puddle welding technique 堆焊工艺
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overlay welding , bead welding
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