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关注：1
2013-05-23 12:21
求翻译：预热宽度从对口中心开始，每侧不少于焊件厚度的3倍，且不小于100mm。任意两点待焊区域温差不大于30℃。是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
预热宽度从对口中心开始，每侧不少于焊件厚度的3倍，且不小于100mm。任意两点待焊区域温差不大于30℃。
问题补充： |
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2013-05-23 12:21:38
Preheat the width from their counterparts in center, on each side of not less than three times the thickness of the weldment, and not less than 100mm. Any two points to be welded regional temperature is not greater than 30 ° C.
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2013-05-23 12:23:18
their counterparts from warm-up width center began, each side not less than 3 solder thickness of the times, and is not less than 100 mm. Any of the Point-to-solder regional temperature difference is not less than 30° C.
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2013-05-23 12:24:58
The preheating width starts from the suitable center, each side many in weldment thickness 3 times, also is not smaller than 100mm.Random two points treats welds the region temperature difference not to be bigger than 30℃.
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2013-05-23 12:26:38
Warm the width from the counterpart Centre began, not less than 3 times the thickness of weld per side, and not less than 100mm. Arbitrary two points to welding temperature is not greater than 30 degrees centigrade.
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2013-05-23 12:28:18
正在翻译，请等待...
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