It is more comfortable than the electric fan. W: But a fan is not so dear as an air-conditioner.
空调要比电扇贵，所以B是答案。
Furthermore, at night, we should use the electric fan instead of enjoy the air conditioning when study at home.
此外，在晚上，我们应该用电风扇而不是在家学习时享受空调。
And then automatic adjustment of grades of the wind force of the electric fan is achieved without manual regulation.
这样实现了电风扇风力等级的自动化调整，无需人工调整。
The electric fan on the ventilation window consists of two axial flow blowers which can rotate forwards and backwards.
所述的通风窗口上安装有并排的二只轴流风机构成的、可正反转的电风扇；
The cooling effect can also be obtained by providing the cold source components on the blade cover of the electric fan product.
在电风扇产品的叶片罩上设置冷源部件同样有降温效果。
The solar cell, the electric fan, the charger, the storage battery and the power supply switch are connected through the conducting wires.
太阳能电池，电风扇，充电器，蓄电池，及电源开关通过导线相连。
In the hot summer when there ia a power outage we feel all the more the need for electric energy which powers the electric fan md air-conditioner.
在炎热的夏天，当断电时，我们更感需要能驱动电风扇和空调器的电能。
I turn on the electric fan, the wind speed up, put my small hot air balloon, hey, little balloon through the power of the wind is suspended in mid-air, a shake and I say "hello"!
我打开电风扇，把风速调到最大，把我的小热气球一放，嘿，小热气球借着风的力量悬浮在半空中，一摇一摇地和我打招呼呢！ ！
The utility model has the advantages of few electronic components, simple circuit, easy installation, electricity saving, long service life of a motor of the electric fan and low cost.
本微风装置需用电子元件少，电路简单，易安装，节电，可延长电风扇电机使用寿命，成本低，有大众化市场和很好的经济前景。
The cold source components of the electric fan using natural cold source can be served as the cold source cover or the cold source screen of the electric fan product with the corresponding model.
这种电风扇的冷源部件也可做为相应型号的电风扇产品的冷源罩或冷源屏风。
The utility model discloses an electric fan with full wind direction, wherein an swivel bearing is fixed on a foundation of the electric fan, and a support arm is installed on the swivel bearing;
本实用新型公开了一种全风向电风扇，它是在电风扇的底座上设有旋转轴承，支撑臂安装在旋转轴承上；
For some the sound could make sleep harder, but for others, the steady beat of the ticking, or the quiet hum of an electric motor in a fan can be very peaceful.
有些东西发出的声音令你很难入睡，但有些东西是固定行走或敲打的，风扇有规律的转动的声音听起来很和平。
Similarly also apply to a subsidiary of the electric devices, such as frozen dryer and fan, etc.
同理也适用于电动的附属装置如冷冻干燥器与风机等。
The electric cabinet shall be equipped with fan and ventilation equipments, in addition to well-designed shield for EMI compliance.
电气控制柜要配有排风、散热装置以及具有良好的屏蔽作用防止电磁干。
On the contrary, electromagnetic controlled silicon oil fan clutch is more compact, and can also improve the sensitivity of speed control because of electric signal's fast response and accuracy.
与之相比电控硅油风扇离合器的应用不受发动机布置的限制，而且由于电信号具有的快速、准确的特点因而大大提高了调速灵敏性。
A solar sail vessel would merely enter the stream and hitch a ride, like a paper airplane drifting into the wind made by an electric fan.
太阳帆飞船只消进入这条高速公路，然后搭车远航便是，就像是电风扇吹动纸飞机前行一样。
He suggested having a ceiling electric fan installed in the room. This would solve the problem of ventilating the room, for when the fan whirled, it would draw in fresh air.
他建议安装一台吊顶电风扇。这将解决房间通风问题，因为当风扇急速转动时，它将带进新鲜的空气。
Thee dandelion swayed in the gentle breeze like an oscillating electric fan set on medium. — Unknown.
蒲公英在微风中轻摇，仿佛设置成中档风力的摇头风扇。
The structure and working process of the auto control electric cooling fan, the principle of the auto control electric cooling system were analyzed.
论述了自控电动冷却风扇的结构及工作过程，分析了自控电动冷却系统的机理。
This paper introduces the control principles and the structural specialities of the auto electric fan and the inspection ways of its common faults.
介绍汽车电动风扇的控制原理和结构特点，分析一般常见故障的检修方法。
Golden sunlight was streaming in through the window and a golden-coloured electric fan was turning from side to side behind wu sun-fu's back.
金黄色的太阳光在窗口探视。金黄色的小电扇在吴荪甫背后摇头。
The paper deals with the calculation of equivalent capacitance of three-core electric power cables with fan-type by subarea method.
本文介绍了用子面元法计算三芯统包扇形电力电缆的工作电容。
In use, an electric motor contained by the housing actuates a fan.
在使用中，壳体容纳的电动机驱动一风扇。
The research of the high-efficiency axial fan with skewed-swept rotating blades is given the basis of theory and testing in application of electric power system.
所研究的这种高效节能的弯掠动叶轴流风机为进一步在电力系统中应用提供了理论和试验基础。
Guided by the design characteristics of electric fan blades, the writer proposes a method of revision through true measurements on the basis of the design procedures of equivalent axial fans.
本文根据电扇风叶的设计特点，提出在设计当量轴流式风扇的基础上，进行实测修正的方法。
Damper actuators: the control of the new electric fan damper actuator using imported components, reliable operation, anti-jamming, long life and easy disassembly.
风门执行器：控制风门的电动执行器采用进口器件，运行可靠，抗干扰，寿命长，拆装方便。
The range of an electric fan as well as the line-of-sight fan speed of different levels is tested.
并利用电扇作为目标，测试了目标距离及不同档风速下的目标视线速度。
The range of an electric fan as well as the line-of-sight fan speed of different levels is tested.
并利用电扇作为目标，测试了目标距离及不同档风速下的目标视线速度。
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