electric arc welding的用法和樣例：
例句
- Perhaps I need to pull apart another SCR and try the arc welding approach.
也許我需要把除了另一可控硅和審判電弧焊接的辦法。 - Electric arc welding should not be carried out on equipment suspended from a crane because of the risk of damage to lifting wires from uncontrolled stray currents.
不應在懸掛于起重機下的設備上進(jìn)行電弧焊接，否則有未經(jīng)控制的雜散電流損壞吊索的危險。
