在金属丝的每一个交叉处进行铜焊，可大大增加防护网的强度。
The strength of a safety screen is greatly increased by brazing each wire crossing.
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连接部位的温度应该高到能够融化铜焊合金。
The temperature of the joint should be hot enough to melt the brazing alloy .
这对钢的黄铜焊接也是较优的。
It's also superior for braze welding of steel.
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