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Plastic Blind Ditch for Drainage of Tunnels Featured Image
  • Plastic Blind Ditch for Drainage of Tunnels
  • Plastic Blind Ditch for Drainage of Tunnels
  • Plastic Blind Ditch for Drainage of Tunnels
  • Plastic Blind Ditch for Drainage of Tunnels
  • Plastic Blind Ditch for Drainage of Tunnels

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M M M M
D 7 1 1 1
H 4 4 4 4
H 3 6 7 6
V 82 82 85 82
K f 60 80 50 70
f 1 1 70 1
f 1 1 1 1
f 1 1 1 1
M C
M M M M M
D φ φ φ φ φ
H φ φ φ φ φ
H 4 7 1 1 2
V 82 82 84 85 85
K f 80 85 80 40 50
f 1 1 1 75 70
f 2 2 1 1 90
f 2 2 2 1 1

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