相关单词近義詞 watershed 流域, drainage basin 流域, catchment basin 滙水盆地, basin 臉盆, catchment area 滙水區；滙水麪積...River basin, 流域臨近詞drainage bin, drainage, Drainage dewatering, drainage techniques, drainage controller, Drainage by drilling, drainage temperature, drainage engineering, drainage pipes works, drainage equilibrium, drainage morphometry, drainage gas laneway 返回 drainage area