underground railway train
... 列车train 地下铁道列车subway train 单轨车monorail car ...
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... underground pipeline finder 地下管线探测仪 underground railway train 地下铁道列车 underground weigher 地秤 ...
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自动化地下铁道列车 automated subway train
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发明内容有广告的轨道车辆外壳，但不包括现有的城市有轨公交电车、现有的地下铁道列车。
The railway vehicle housing the contents of which are advertisements is invented, but the present urban track bus trolley and the present subway train are not included.
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