In the paper. a self-made water-cooled copper plate device was used to measure and analyze the welding arc pressure of alternate argon supply under different frequencies of 1 Hz. 2 Hz. 4 Hz and argon and helium supply alternately under different frequencies of 1 Hz. https://www.jmannino.com/quick-save-Lax-aire-3-oz-great-buy/
Study on the arc pressure of TIG welding under the condition of Ar-Ar and Ar-He supply alternately
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