main arc是什么意思

网络释义

用法例句

On the basis of summarizing experimental results, the existing form of pilot arc and its stabilizing mechanism on main arc in plasma arc welding are discussed.

论述了等离子弧焊中维弧的存在形式及其对主弧的稳定机理，提出了解决主、维弧相互干涉的各种可能途径如采用断续维弧、交流维弧或使主、维弧具有不同通道及从维弧形态等方面提高主弧稳定性的具体措

Main Vacuum Interrupter (MVI) undertakes the rated current mainly, while Auxiliary Vacuum Interrupter (AVI) breaks the fault current.

主灭弧室(Main Vacuum Interrupter,MVI)主要承担额定电流,而辅助灭弧室(Auxilary VacuumInterrupter,AVI)主要承担开断故障电流的任务。