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对手工电弧焊中焊条的送进规律进行了初步研究，首先通过试验测得了送进的随机过程，然后用统计学方法加以分析，对这一过程的规律进行了初步探讨，如送进波动的周期性及其与电压波动的关系等．
In the manual arc welding electrode in the law of the initial study carried out, first measured by the test of the random process of feeding, and then use statistical methods to be analyzed, the process of the law were initially discussed, such as sending fluctuations Cyclical and its relationship with the voltage fluctuations.