In particular, we in the field of ultrasonic metal welding achieved a major breakthrough, one to break Europe and the United States and other countries in the technical long-term monopoly.

特别是我们在超声波金属焊接领域所取得的重大突破，一举打破欧美等国在该技术上的长期垄断。

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Suitable for low-carton steel, middle carbon steel, alloy steel and non-ferrous metal welding.

适用于碳钢，中碳钢，合金钢，及部分有色金属的焊接。

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With ultrasonic plastic welding, ultrasonic metal welding, resistance welding prototype and so on.

备有超声波塑料焊接，超声波金属焊接，电阻焊接样机等。

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But Ares will use new methods in metal-working science such as friction stir welding.

VOA: special.2009.12.30

Instead, Huibers and his team built the boat by welding together the metal hulls of 25 barges into a single frame, which was then covered with Scandinavian pine.

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Mr. Ratner explained that in 2005 Google had a small machine shop, metal tools, a wood workshop, and a welding workshop.

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When spot-welding, for instance, a robot has to touch the metal with an electrode.

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