This scheme not only eliminates the interference between mainarc and pilot arc, but also reduces the deterioration of the tungsten electrode and improves the stability of welding process.
该方案不仅克服了传统方案存在的主维弧干涉现象，而且可大大降低钨电极的烧损，提高焊接过程的稳定性。
2
The eclipse drew an arc across the open sea and uninhabited atolls, making its main landfall on remote Easter Island.
日食在开阔的海域和无人居住的环礁划出一条弧线，日落则在偏远的复活节岛。
3
Electric and mechanism parameters are the main factors influencing the direct current arc breaking performance of small relays.