Drainge引流
drainv.排出;排干;喝光;耗尽n.下水道;消耗
drain the transmission从齿轮箱内放油
drain channel junction漏极 沟道结
drain-source voltage漏源电压
drain waterlogged area排涝
drain extension region漏延伸区
Drain to the work tank抽回工作箱
draining transformator排流变压器
drain water from field把田里的水排掉
draining water station排水站
draining water-logged排涝