| 释义 |
主电源 zhǔ diàn yuán {电} main power source; main power supply主电源main electric power source {=main source of electrical power}主电源main source of electrical power主电源main electric power source主电源main power supply主电源primary source主电源Primary Power主电源Mains双向☞主电源--一次电源双向☞电源干线--主电源双向☞主电源--主动力 |