To strike an the arc, electron emission and ionization of the gas is initiated by withdrawing the electrode from the work surface in a con trolled manner, or with the aid of an initiating arc.
钨极氩弧焊是通过工件表面和电极之间气体的电离和电子的发射来引弧的。
To strike an the arc, electron emission and ionization of the gas is initiated by withdrawing the electrode from the work surface in a con trolled manner, or with the aid of an initiating arc.
钨极氩弧焊是通过工件表面和电极之间气体的电离和电子的发射来引弧的。
应用推荐