eye e drop 眼药水

voltage e drop 电压降 ; 电位降落

anode e drop 阳极电压降

angle e drop 降斜

cathode e drop 阴极电压降

reactance e drop 电抗电压降

resistance e drop 有功电压降

eye e drop bottle 滴眼瓶

voltage e drop method 降压法