在金属电弧和激光焊接中气态氦用作惰性屏蔽气体。

Gaseous helium is used as an inert shielding gas in metal arc and laser welding.

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本研究建立一完整的评估方法，监测由遮蔽金属电弧焊接产生的红斑紫外线强度。

This study established a comprehensive approach to monitor erythemal UVR magnitude from Shield Metal Arc Welding processing.

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研究了基于快速原型和金属电弧喷涂(RP - ams)法快速制造金属模具过程中的精度问题。

The accuracy of a rapid manufacturing process for sheet metal stamping with RP and AMS (Arc metal Spray) is presented.

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