基本解释[物理學]電弧自身調節英汉例句雙語例句In general, the self-regulation effect of arc increases with the reducing of two-core span and increasing of welding current.一般隨銲芯間距的減小及銲接電流的增大，電弧自調節作用增強。arc self-regulation更多例句专业释义物理學電弧自身調節