地下水平排水  underground lever drainage

水平排水  horizontal drainage

水平排水板  horizontal drainage board; horizontal plastic drain

水平排水管  Horizontal drain pipe

水平排水孔  horizontal drainage channel; Slope

水平排水软管  horizontal drainge pipes

新型水平排水体  new level drainage material

舱底水排水系统  bilge arrangement

层拉平水平切片  horizontal slice of level flattening

城市给水排水工程  municipal water and wastewater engineering

城市节水水平  the level of city water-saving

城市节水水平综合评价  Comprehensive Assessment of Urban Water Saving Level

淡水排水量  fresh water displacement

淡水水母  freshwater medusa

淡水水母目  LIMNOMEDUSAE

淡水水母亚目  LIMNOMEDUSAE

地价水平平衡  balance of land prices

地面水排水  surface water drainage

地平水平视界  horizon

地平水平线  horizon