voltage drop in arc column

例句：

1. 1. The voltagedrop in the arc column is acritical factor in determining the efficiency of theelectric circuit.
   电弧柱中的电压降是决定电路效率的关键因素。
2. 2. During the experiment, we observed a significant voltage drop inthe arc column.
   在实验中，我们观察到了电弧柱中的显著电压降。
3. 3. The voltage drop in the arccolumn can be affected by various factors,including the size and shape of the electrodes.
   电弧柱中的电压降可以受到各种因素的影响，包括电极的大小和形状。