... underground space 地下空间 underground stratum 地底内层 underground structure 地下修筑物 ...
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underground stratum cracking 地下岩体破裂
underground rock stratum crack 地下岩层裂隙
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。
Used for destroying solid or frozen stratum in civil engineering, underground construction and people protection construction, etc.
土木工程中及地下建筑、人防施工等工作中，用以摧毁坚固或冻结的地层。
The large-diameter slurry shield is the first time to be used in sandy cobble stratum in Beijing Underground Zhijing Line in Beijing area.
北京地下直径线是北京地区首次在砂卵石地层中采用大直径泥水盾构。
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