| 1. | The rate at which pulses can be sent and received on copper wires is called frequency .
脉冲通过铜线送出和接收的速度称为频率。 |
| 2. | The signals carried in copper wires consist of about one million waves per second .
在铜线中传送的信号是由大约每秒100万次波的电磁波所组成。 |
| 3. | Ringing a telephone now requires copper wire from the central exchange to the home .
目前的电话铃声则需要靠从中心交换台通到用户家中的铜线进行工作。 |
| 4. | Copper wires are carried back from the rotating terminals to the individual sliprings along grooves in the outside of the shaft .
铜导线从旋转凸块沿着轴外部的凹糟引回到各个滑环上去。 |
| 5. | Solderable polyesterimide enamelled round copper wire
直焊性聚酰亚胺漆包铜圆线 |
| 6. | Varnish - treated glass - fibre covered rectangular copper wire
浸漆玻璃丝包铜扁线 |
| 7. | Self - fluxing polyurethane enammelled round copper wire
直焊性聚氨酯漆包铜圆线 |
| 8. | Standard specification for soft or annealed copper wire
软的或退火的铜线的标准规范 |
| 9. | Standard specification for medium - hard - drawn copper wire
中等硬度冷拉铜丝的标准规范 |
| 10. | Tonggan , copper wire processing , motor freight
铜杆，铜丝加工，汽车货运。 |
