短语词组短语siphon culvert 虹吸管渠;倒虹涵;虹吸涵洞;倒虹吸涵Distant Culvert 远阴沟loop culvert 跨闸涵洞cross culvert 横向涵洞circular culvert 圆形涵洞;圆涵inlet culvert 进水涵洞longitudinal culvert 纵向涵洞culvert jacking 箱涵顶进box culvert 箱形涵洞 返回 culvert