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关注：1
2013-05-23 12:21
求翻译：Optimization of a Prestressed Concrete Railroad Crosstie for Heavy-Haul Applications是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
Optimization of a Prestressed Concrete Railroad Crosstie for Heavy-Haul Applications
问题补充： |
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2013-05-23 12:21:38
优化的重载应用预应力混凝土铁路枕木
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2013-05-23 12:23:18
Of a Optimization Prestressed Concrete Railroad Crosstie for Heavy - Haul Applications
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2013-05-23 12:24:58
正在翻译，请等待...
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2013-05-23 12:26:38
正在翻译，请等待...
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2013-05-23 12:28:18
Optimization of a Prestressed Concrete Railroad Crosstie for Heavy - Haul Applications;
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