暗渠,陰溝,電線用地下管路
Culvert \Cul"vert\ (k?l"v?rt), n. [Prob. from OF. coulouere, F. couloir, channel, gutter, gallery, fr. couler to flow. See {Cullis}.] A transverse drain or waterway of masonry under a road, railroad, canal, etc.; a small bridge.
culvert n : a transverse and totally enclosed drain under a road or railway