Reports on KSB AG's development of a combined pump-turbine unit that can be operated in either mode without reversing the flow. Factors that account for machine's flexibility; Pump-turbine as a modified version of the company's standard submersible pump.Parkinson...
aministey of foreicn affaies and trade foreicn affaies和贸易ministey[translate] aafter plating 在镀以后[translate] aIn this case, out air heat pump is considerable choice to replace electricity radiators. 在这种情况下,宣扬热泵是替换电幅射器的可观的选择。[translate]...
Since then, people have used falling water to supply power for grain and saw mills, as well as a host of other uses. The earliest use of flowing water to generate electricity was a waterwheel on the Fox River in Wisconsin in 1882. The first hydroelectric power plants wer...
aAccording to our calculation, if this sport place could use heat pump instead of electricity radiator, it could reduce its electricity consumption by 116200kWh and save 113700 SEK per year. 根据我们的演算,如果这个体育地方可能使用热泵而不是电幅射器,它可能由116200kWh减少它的用电量和保存每年113700...
aStatic electricity is a natural phenomenon, one that can lead to disaster if left to build up on fuel pump hoses, polyethylene bags, or tools used in confined spaces, such as mines or tunnels. One spark can be devastating. Cabot's full range of CABELEC® conductive compounds greatly red...
This cable laying detailed list establishment uses electricity the system power plate based on the factory (power distributing box) the wiring and the ordering chart, the box-type transformer substation wiring and the ordering chart, the factory uses electricity the system equipment general arrangem[...
average household reduces their pool pump operating time by just one hour per day, the annual demand reduction will be around 274kWh or approximately R680 in savings. Smart technology enables users to schedule when their pumps run, and this can be during off-peak periods when electricity costs...
windmills to grind(磨碎) wheat into flour or pump water from deep underground.When electricity was discovered in the late 1800s,people living in remote areas began to use them to produce electricity.This allowed them to have electric lights and radio.However,by the 1940s when electricity wa[...
If you use electricity for your water, such as a well with an electric pump, have enough water available to last a couple of days. You should have at least a gallon of drinking water a day for each person in your house for drinking and cooking. Non-potable water uses, such as water...
(磨碎) wheat into flour or pump water from deep underground. When electricity was discovered in the late 1800s, people living in remote (偏远的) areas began to use them to produce electricity. This allowed them to have electric lights and radio. However, by the 1940s when...