A hydraulic drive system of cutter head in shield tunneling machine was designed, which is open type hydraulic system and controlled in open-ring.
设计了一个盾构掘进机的刀盘驱动液压系统，该系统是开式液压系统，应用电液比例控制技术实现了泵排量实时调节。
Treatment measures in underground stratum reinforcement and open space with pressure to change cutter and tool.
地下处理措施中的地层加固方案和带压开舱换刀方案。
Treatment measures in underground stratum reinforcement and open space with pressure to change cutter and tool.
地下处理措施中的地层加固方案和带压开舱换刀方案。
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