subdrain

US [sʌbd'reɪn]
UK [sʌbd'reɪn]
  • n.暗沟；地下排水管；地下排水沟
  • Web地下排水道；辅助排水器；排水盲管

E-C

Web Definition

n.
1.
暗沟
2.
地下排水管
3.
地下排水沟
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