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关注：1
2013-05-23 12:21
求翻译：焊前预热焊接工艺。将Q345钢板进行焊前预热，待预热完成后立即施焊，焊接完成后置于空气中缓冷；是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
焊前预热焊接工艺。将Q345钢板进行焊前预热，待预热完成后立即施焊，焊接完成后置于空气中缓冷；
问题补充： |
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2013-05-23 12:21:38
Preheated before the welding process. Q345 steel plate preheated before welding, immediately upon completion of warm, slow cooling in air after completion of the weld;
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2013-05-23 12:23:18
Warm-up before welding welding process. Steel will be Q 345 warm-up prior to welding to warm-up, immediately after you finish welding and soldering is completed in the air in the cold.
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2013-05-23 12:24:58
Front welds the preheating welding craft.Carries on front the Q345 steel plate welds preheating, after treats preheating completes executes immediately welds, the welding completes postpositioned in the air slow cold;
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2013-05-23 12:26:38
Welding preheating before welding process. Q345 preheat the plate, immediately after warm-up complete welding, welding on slow cooling in the air upon completion;
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2013-05-23 12:28:18
正在翻译，请等待...
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