会話トレ Drill: 電気工学 Electrical engineering, Mathematics
電流 (でんりゅう denryuu)
current, electric current
I = intensity of electricity, intensity of current = A
A = amperage
電流量(アンペア数)
弱電 (じゃくでん)
weak current
a weak current
light electrical equipment
弱電システム
communication system
通信システム(弱電設備)

