The big droplet spatter is the main reason for bad usability, e.g.low deposition efficiency, unstable arc etc, .and it should be analyzed and prevented further.

• 大颗粒的偏飞是导致电弧不稳定、熔敷效率低等恶劣工艺性的主要原因，应该对此进行探入分析，防止其产生。