干扰电疗时,电极面积>50cm,其电流密度()
A:0.1~0.2mA/cm2
B:0.3~0.4mA/cm2
C:0.5~0.6mA/cm2
D:0.6~0.7mA/cm2
E:0.8mA/cm2
出自:康复医学住院医师