涵管

  • na.culvert pipe
  • 网络Culvert; pipe culvert; Pipe.

涵管涵管

涵管

na.

1.culvert pipe; pipe-shaped culvert

19
26
Standard Specification for Reinforced Concrete Culvert, Storm Drain, and Sewer Pipe
27
Standard Specification for Reinforced Concrete Arch Culvert, Storm Drain, and Sewer Pipe

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