The utility model relates to a speed regulating steering handle for an electric power driven vehicle.

本实用新型涉及一种新型电动车调速转把。

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Plan 2 is that heating in winter by water heaters using natural gas for fuel and cooling in summer by power driven centrifugal water cooler.

方案2是以天然气作为燃料，采用热水锅炉实现冬季供热，以电为动力、采用离心式冷水机组实现夏季供冷。

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A dynamic system of the electric power driven rounding machine consists of a motor, a turbine reducer, a triangular belt, a big belt pulley and a small belt pulley.

电力拖动滚圆机的动力系统由电动机、涡轮减速器、三角皮带及大、小皮带轮组成。

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They could power electrically driven wheels, letting an aircraft taxi without using its main engines.

ECONOMIST: Electric planes

Early versions of new labor restrictions still being hashed out in Congress would have barred children under 16 from operating power-driven farm equipment and kept anyone under 18 from working at agricultural co-ops and stockyards (the latest version would let kids keep running machines on their parents' spreads).

WSJ: The Panic Over Bullies

Heartening news rang forth from the renewable energy sector this week as a UN-backed study reported that the building of new renewable energy plants has officially overtaken fossil fuel plants in Europe and the US. We also took a look at two brand new types of power plants -- the world's first hydrogen-driven power plant in Italy and the first hybrid coal-solar power plant in Colorado.

ENGADGET: Inhabitat's Week in Green: of mirror cubes and urban icebergs