Disaster recovery tunnel repair mortar spraying construction system 'M-PAC'
Tunnel Boring Machine Shotcrete Construction "Subshot System"
Tunnel construction electric dust collector "Eco Clean X"
Tunnel excavation work suction collection ventilation system "Eco Station"
Suppressing tunnel subsidence: "Preload Shell Method"
Secondary lining of shield tunnels 'TDR Shot Lining System'
Heatstroke prevention in tunnels "M Cool"
PF Mortar Spraying System
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エムシーエム 北陸センター
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