Three types of adjustable turning rolls: manual lead screw adjusting, manual bolt shifting and electric sliding plate shifting.

三种可调式滚轮架：手动丝杆可调式、手动螺栓移位式和电动滑板移位式。

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Increased demand for electric scooters alongside higher car production has driven up the demand for lead batteries.

电动摩托和汽车的需求增长也催生了铅电池的生产。

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China is already thought to have a lead in battery development and electric vehicles.

业界认为中国已经在蓄电池和电动车领域处于领先地位。

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Defibrillators use electric shocks to correct abnormal heartbeats that can lead to sudden death.

VOA: special.2010.08.17

In the U.S.,electric utilities lead the opposition to copying this rate structure, and to mandating purchases of alternative power.

VOA: standard.2010.03.23

Could electric car ownership actually lead to interest in an electric Formula championship?

FORBES: Could Formula Racing Really Go Electric? We're About To Find Out

Is the United States the one that is going to lead in electric cars?

WHITEHOUSE: President Obama Takes Questions at GOP House Issues Conference | The White House

" He said Tokyo Electric should be in the lead -- "It's their plant" -- but he added, "There's a lot of different areas in which they could benefit from international help.

CNN: STORY HIGHLIGHTS