The existing problems and application prospects of Aluminium welding with straight polarity direct current method are sketched out in this paper.

并简述了直流正极性焊接铝合金所存在的问题和应用前景。

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This paper has explained the manufacture principle of Al-flux-cored welding wire, and studied the technical characteristics of Aluminium alloy welding with straight polarity direct current TIG method.

阐述了药芯铝焊丝的制造原理，研究了TIG直流正接焊接铝合金的工艺特点。

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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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