Passengers keep in touch with the conductor through the machine and buy tickets according to video instructions.

乘客通过售票机与售票员保持联系，并根据视频提示购票。

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The feeders may be set in different modes, and are preferably connected to both the metal casing and one tubular conductor through insulator in the metal casing.

馈电器可以有多种设置方式，其中优选是使馈电器通过绝缘体穿过金属外壳且馈电器两端分别与金属外壳和管状导体相连接。

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When you go through a metal detector at the airport with a conductor such as keys in your pocket, the alarm goes off.

当你带着一个导体（比如口袋的钥匙）走过机场的金属探测器时，机器会发出警报声。

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"It is a traditional midterm protest vote and it's found its lightning conductor through UKIP, " Travers said.

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An externalized conductor occurs when the cable, or conductor, from inside the lead wears through the outer silicone insulation around the lead and appears outside the insulation body.

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Rock is a poor conductor of heat, so this wayward energy travels through it very slowly.

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