相关单词近义词 watershed 流域, drainage basin 流域, catchment basin 汇水盆地, basin 脸盆, catchment area 汇水区；汇水面积...River basin, 流域临近词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