this day,our nation has set up systems to use the power ofwind.Solar Energy-People use sunlight to drywashed clothes.There are appliances(电器设备)that use solar energy,such as solar waterheater and cookers.However,there are severalother important ways to make the drying of ourclothes easily!
Type F: This type responds to AC, pulsating DC, smooth DC, and high-frequency AC currents up to 1 kHz. It is suitable for applications where there are devices such as frequency converters, induction cookers, or dimmers that generate high-frequency currents. The sensitivity of an RCCB is de...
(A.custom) 60,It is called solar cooker,a newly designed cooking device and there are many kinds of solar cookers().-->(B.available) 61,It is easy to get the software we need()the market is small.-->(C.although) 62,It was()to see the students' excitement when they discovered ...
Some parents are worried too—for example, Vanessa Holburn, thirty-two, who has two girls under the age of four. Their bedrooms are a sea of pink and Vanessa is not happy. “Pink says that you are soft and gentle. Blue says that you are strong and powerful. I want my daughters to ...
Even on this day, our nation has set up systems to use the power of wind. Solar Energy—People use sunlight to dry washed clothes. There are appliances(电器设备) that use solar energy, such as solar water heater and cookers. However, there are several other important ways to make the ...
(A.custom) 60,It is called solar cooker,a newly designed cooking device and there are many kinds of solar cookers().-->(B.available) 61,It is easy to get the software we need()the market is small.-->(C.although) 62,It was()to see the students' excitement when they discovered ...