电位降 [电] potential drop ; fall-of-potential ; drop of potential ; potential decrease

电弧位降 arc drop

水位降低 water lowering ; drawdown

水位降落 [水文] drawdown

阴极电位降空间 cathode fall space

电位降法 fall-of-potential method

电位降落 voltage drop

地下水位降落 lowering of ground water level ; Water lowering

阳极电位降 [电子] anode potential fall ; anode fall