| 释义 |
火线huǒxiàn
1.作战双方对峙的前沿地带。{battlefront; front line in a battle}
2.电路中输送电的电源线。在市电上指对地电压大的导线,在直流电路中指接正极的导线。{live wire; power line; conducting wire with higher potential to ground in city power supply; conducting wire connected to the positive electrode in direct current} |