Safety products subject to the CCC mark include relays, switches, controllers and contactors that operate above 36 volts.

需要符合CCC标志的安全产品包括继电器、开关、控制器和高于36伏特的电流接触器。

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Computer scientist Dr Harry Porter built his 8-bit machine from relays - electronic switches that are even simpler than the transistors used in Magic-1.

计算机科学家哈里·波特(Harry Porter)博士用继电器制作了一台八位机。继电器是一种电子开关，是比Magic - 1用的晶体管更加简单的元器件。

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These types of measurements are made on components such as connectors, relays, and switches.

这类测量是在诸如连接器、继电器和开关等元件上进行的。

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The corrosion from brackish floodwaters ruined hundreds of pieces of vital equipment, including electromechanical relays, motors and switches.

WSJ: PATH's Road Back Is Rocky

The water was pumped out and drained within days, but crews could not revive banks of corroded wires and electrical contacts that held relays components that deliver signal information, control switches and keep trains properly spaced from each other.

WSJ: NYC's old South Ferry subway station reopens