The strength of a safety screen is greatly increased by brazing each wire crossing. 在金屬絲的每一個交叉處進行銅焊，可大大增加防護網的強度。
Compared to conventional wire drawing, the drawing forces can be reduced greatly by applying ultrasonically oscillating. 超聲振動還可以減小金屬絲的不均勻變形，有利於表面質量的提高。
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