开关电器是整个电力系统工作可靠性的关键元件。

The switch apparatus is a key element for total electric power system in reliability.

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光开关是全光网络中的关键器件。

Optical switch is the key part in all optical network.

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和开关点火进行这一关键。

And switch ignition on with this key.

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制约这个目标实现的关键就是开关电源高频化技术。

Power supply high frequency technology is the key for realizing the aim.

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高压开关柜是电力系统中非常关键的开关设备。

High Voltage Switchgear is key equipments of the power system.

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在脉冲功率系统中，开关是最为关键的部件之一。

The switch is one of the most important elements of the pulsed power system.

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爱是的关键打开关闭心的门。

Love is a key to opening the door of a closed heart.

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爱是的关键打开关闭心的门。

Love is a key to opening the door of a closed heart.

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