The terms "straight" and "reverse" polarity are used around the shop. They may also be expressed as "electrode-negative" and "electrode-positive" polarity.
术语，正极和反极通常情况下应用在工厂中，他也可以用焊条反极和焊条正极来表示。
The terms "straight" and "reverse" polarity are used around the shop. They may also be expressed as "electrode-negative" and "electrode-positive" polarity.
术语，正极和反极通常情况下应用在工厂中，他也可以用焊条反极和焊条正极来表示。
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