Electric switches are made in a great many different Shapes and sizes, but they all work in the same way.

电开关有各种形状和大小，但它们都以同样的方式工作。

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For maintenance convenience, many electric switches for mine are adopted pinboard construction in order to reduce effect of coal mine production.

为了维修方便，许多矿用电气开关采用插接式结构，以减少对煤矿生产的影响。

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The function of breakdown showing and self-examination can testify the all mechanical operations and electric switches from the maintenance page.

具有故障显示及自我检测之功能，举凡所有机械动 作或电气开关等，均可由维修书面检测出正常与否。

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The 2013 Volt can travel an average of 38 miles on one full electric charge before its onboard gas-powered electric generator seamlessly switches on.

ENGADGET: Chevy Volt EcoHub app tells drivers how little they pay to charge, goads them into staying green (video)

The Energi starts out smoothly, accelerates briskly and switches back and forth from electric to gas to hybrid and back again transparently and without fuss or worry.

FORBES: 2013 Ford Fusion Energi Test Drive And Review: Plug It In And Go

Among the energy-saving options, two promising technology switches are the electrification of transportation (electric vehicles can be about four times as energy-efficient as standard fossil-fuel vehicles) and the use of electric-powered heat pumps to deliver winter heating and hot water (heat pumps can be four times as energy-efficient as standard heaters).

CNN: Commentary: Let's get real about alternative energy