At present, the shielded category cables use single or double copper braid as shield, which features low productivity and high costs.

目前使用的屏蔽数据通信电缆通常为单层或双层铜丝编织结构，生产效率低，成本高。

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Has good mechanical, electrical insulation, and chemical properties. It also has the property of anti-electromagnetic wave due to the double- shielded structure.

聚氯乙烯机械性能好，电绝缘性能优异、化学稳定性能优良，由于采用了新性的铝箔麦拉加铜网编织双层，有效抵抗电磁波干扰。

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The hardness of welded joints obtained by double-wire submerged arc welding is significantly better than that obtained by CO2 gas shielded. The peak hardness appears in the heat affected zone.

CO2气体保护焊接头的硬度值明显较双丝埋弧焊接头的硬度值高，硬度值在热影响区出现峰值。

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Its premium and double-shielded connector and cord also offers durability and minimizes signal loss.

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Still, we bet people still fall for the hype -- oh hey, if you're looking for the ultimate in sound, we've got half a meter of oxygen-free, triple-wrapped double-insulated Sonically Shielded AmpliSized Egyptian Llama cable here that we'll part ways with for just a couple grand.

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