您要查找的是不是：
- 道method
- 廊道covered way
- 蓝色blue
- 操作廊道operating gallery
- 沙廊道flush gallery
- 廊道式gallery type
- 短廊道short culvert
- 母线廊道bus gallery
- 双向廊道bidirectional tunnel
- 排沙廊道flush gallery
- 排水廊道collector drain
- 冲砂廊道scour gallery
- 输水廊道conduit system
- 檐下廊道eaves gallery
- 廊道压力conveyer way pressure
- 廊道作用corridor effect
- 廊道效应corridor effect
- 廊道结构corridor structure
- 廊道裂缝cracks in culvert
- 生态廊道ecological corridor
