棚洞

  • 网络tunnel shed; shed tunnel

棚洞棚洞

棚洞

tunnel shed

建筑工程... ... 明洞 opencut tunnel 棚洞 tunnel shed;hangar tunnel 隧道防水 waterproofing of tunnel;tunnel water proofing ...

shed tunnel

... 隔热层 thermal insulation layer 棚洞 shed tunnel; shed gallery 盖板式棚洞 slab shed tunnel; slab shed gallery ...

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