半个小时内,他们换了每根电缆的标签。
好了,现在用那两根电缆把打印机和电源以及电脑联上。
It 's all right. Now connect the printer to the power and the computer with the two cables.
两个高塔之间通着6根电缆,每根有两个附在高塔上的绝缘体。
There are no arms. The six cables that pass from one pylon to another are each borne by two insulators attached to the poles.
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