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关注：1
2013-05-23 12:21
求翻译：利用GPS确定线路里程的列车接近预警装置是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
利用GPS确定线路里程的列车接近预警装置
问题补充： |
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2013-05-23 12:21:38
Using GPS to determine the length of the train line near the warning device
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2013-05-23 12:23:18
Use the train mileage GPS determine lines close to early-warning devices
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2013-05-23 12:24:58
Using GPS determination line course train close early-warning installation
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2013-05-23 12:26:38
Using GPS to determine line mileage of train approaching warning device
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2013-05-23 12:28:18
Using GPS to determine the length of the train line near the warning device
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