地铁车厢
The subway lining trolley is mainly used for concrete tunnel construction in the subway system section and station.
According to the different construction sites, it is divided into section trolleys, station trolleys, detoured trolleys, and mid-span trolleys. The length of the lining generally ranges from 4.5 meters to 15 meters. The utility model has the advantages of simple structure, convenient operation and strong practicability.....
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