... pre-heating treatment 预热处理 pre-Cronak treatment 铝平版预防氧化处理 superplastic pre-treatment 超塑预处理 ...
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With the methods of the pre-heating before welding, controlling the interlaminar temperature and the heat treatment after welding, the welds that satisfy the quality specifications can be available.
通过焊前预热、层间温度控制及焊后热处理等手段获得了满足质量要求的焊缝。
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