搜索结果: 1-1 共查到“交通运输工程 Earth”相关记录1条 . 查询时间(0.125 秒)
A soil loosening machine of ripper for winter earth-moving in transport construction
frozen soil power intensity of breaking gasodynamic effect mechanical action loosening machine
2010/11/1
The main methods of frozen soil loosening are considered from the perspective of their effectiveness in transport-related construction, and a new type of equipment is offered for earth-moving in winte...