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关注：1
2013-05-23 12:21
求翻译：9m辅跨为局部两层结构，主跨轨顶标高为12.5m，辅跨轨顶高7.5m。是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
9m辅跨为局部两层结构，主跨轨顶标高为12.5m，辅跨轨顶高7.5m。
问题补充： |
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2013-05-23 12:21:38
The 9m auxiliary inter-local two-tier structure, the main span rail top elevation is 12.5m, auxiliary cross rail roof height 7.5m.
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2013-05-23 12:23:18
false
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2013-05-23 12:24:58
9m auxiliary steps for the partial two structures, the main span axle goes against the elevation is 12.5m, auxiliary cross axle crest elevation 7.5m.
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2013-05-23 12:26:38
9m auxiliary TRANS-local two-tier structure, main span RL 12.5M, auxiliary cross tread 7.5m.
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2013-05-23 12:28:18
null
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