网络释义
1)drainage area,排水区2)discharge area,排水区3)drained zone,排水区4)catchment area,排水区5)drainage basin,排水区域6)drainless area,无排水区7)drainage district,effluent farm,"排水区(段),废水区"8)drain area,drainage area,排水面积；排水区9)drained area,衰竭区;排水区10)drainage basin,流域;排水区域