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关注：1
2013-05-23 12:21
求翻译：对于强度级别大于390MPa的低合金高强度结构钢，一般都要进行预热。是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
对于强度级别大于390MPa的低合金高强度结构钢，一般都要进行预热。
问题补充： |
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2013-05-23 12:21:38
Strength level is greater than 390mpa of high strength low alloy structural steel, generally must be preheated.
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2013-05-23 12:23:18
The intensity level is greater than 390 MPa of low alloy high strength structural steel that is generally to warm up.
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2013-05-23 12:24:58
Is bigger than 390MPa regarding the intensity rank the low-alloy high-tensile structural steel, all must carry on preheating generally.
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2013-05-23 12:26:38
Strength level is greater than the 390MPa of high strength low alloy structural steel, are generally required to warm up.
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2013-05-23 12:28:18
正在翻译，请等待...
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