年轻工人正用牙齿剥去电缆外层的绝缘体，并用胶带将接线捆在一起点亮没有外罩的灯泡。

Young men were stripping the insulation from electric cables with their teeth and taping the wiring together to light naked bulbs.

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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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一种同轴电缆形式，使用空气作为绝缘体。

A form of coaxial cable which USES air as a dielectric.

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