Sub-power and free roller roller two.

分动力辊筒和自由辊筒两种。

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Generally sub-power and free roller roller two.

大体分动力辊筒和自由辊筒两种。

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Turn on the sub-power supply switch and key of screen displaying.

打开触摸屏下面的电源键，打开显示屏幕。

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In New York, the US financial capital, an explosion at a sub-station caused power outages and darkened most of downtown Manhattan as well as Westchester County and affected more than 650, 000 customers, power company Consolidated Edison said.

BBC: Sandy: Damage estimated at up to $20bn

Most of those without electricity are in Asia and Sub-Saharan Africa, where power generation is about a tenth of where it is in other poor areas.

FORBES: Presidential Candidates: Energy Diplomacy Key to Global Cooperation

In May, an India-made power transmission line to Kabul and a sub-station were opened, bringing 24-hour electricity to the capital for the first time in 17 years.

BBC: India: Afghanistan's influential ally