Wind an insulated copper wire around a pen.
在一枝笔上缠绕一圈绝缘铜线。
Until recently the conversion was made using copper wire.
直到近期，这种转化都是利用铜线加以完成的。
铜线你找到了吗？
Place copper wire at back of radio.
将铜线插在收音机后。
Electricity flows through a copper wire.
电流通过铜线。
All you need is a magnet and some copper wire.
你只需要一根磁铁和一些铜线就可以了。
Shield: tin copper wire screen, shielding coverage above 85%.
屏蔽：镀锡铜丝屏蔽，屏蔽覆盖率85%以上。
And the pulses would travel over glass fibres, not copper wire.
并且脉冲能够通过玻璃纤维承载，不是铜丝。
And the pulses would travel over glass fibres, not copper wire.
并且脉冲能够通过玻璃纤维承载，不是铜丝。
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