large profile underground chamber
waterinflow in long and large tunnel
applying the large units with latest technologies instead of the smallssetting up the large while shutting down the small
large inclination angle and large mining height
large oil large oil storage tank
Shallow-covered Large Cross-section and Large-span Double-arch Tunnel
ultra large-span tunnel with super-large cross-sec
ULTRA LARGE-SPAN TUNNEL WITH SUPER-LARGE CROSS-SECTION
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Sodium profile combined with ultrafiltration profile
diversion tunnel and spillway tunnel
option of separate highway tunnel and Metro tunnel
Part-tunnel and Part-roadbed Type Tunnel