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在ＧＭＡＷ－Ｐ焊中，一脉一滴过渡形式因其焊接质量好得到了大家的普遍接受。文章就当前一脉一滴的各种检测方法给予介绍，并对其进行了评价，最后作了必要的讨论。
In GMAW-P welding, one by one drop of transition due to its welding quality has been generally accepted by everyone. The article gives a brief introduction of the current pulse detection methods and evaluates them. Finally, the necessary discussions are made.