这个古老的梦想终于在1940年实现了。当时，一名俄罗斯工程师驾驶了一艘外形奇特、顶部装有旋转风扇的钢管船。
The ancient-dream was finally realized in 1940 when a Russian engineer piloted a strange looking craft of steel tubing with a rotating fan on top.
重新设计的轴承系统寿命长，后面加带了一个平衡盘，大大减小了旋转风扇系统的震动。
Their redesigned bearing system contributes to longer life and a rear-balancing disk significantly reduces vibration of the blower's rotating fan system.
即使在汽车熄火及锁着的时候，这些冷却风扇也在呼呼旋转着，所以当你回到车内时，你无需开大耗电的空调。
Even when the car is off and locked, these fans whir around, so when you step back into it you don't need to crank up the power-hungry air conditioning.
接通电源，点动启动压缩机，检查蒸发器及冷凝器风扇的旋转方向是否与箭头方向一致。
Switch on the power supply, power on the compressor, and examine whether the rotation direction of the fans of the evaporator and condenser agrees on that of the arrowhead.
马达轴26和风扇28的这种相对较低速度的旋转使得空气清洁器10在相对较低的噪声等级下运转。
Such a relatively low speed rotation of the motor shaft 26 and fan 28 permits the air purifier 10 to operate at a relatively low noise level.
今年披肩、旋转元素大行其道。索朗穿得如同一台风扇。
It was a year of capes, twirling, and Solange dressed as a fan.
该机以一根立轴联接螺旋板齿脱粒滚筒、上排杂风扇和下轴流风扇，并驱动其旋转。
The helical plate tooth threshing cylinder, the top thresh fan and the undershot fan are connected and driven by a vertical shaft.
这种气垫飞行器具有管式风扇，提供升空和推进的动力，而非像其它飞行器的旋转翼有时会造成危险。
This hovercraft has ducted fans which provide lift and propulsion instead of the sometimes-dangerous rotor blades of other flying machines.
为了您的安全，柴油机在运转时禁止靠近风扇、皮带等旋转部位以免打伤，排气管、增压器、消声器、散热器等高温部位在靠近时防止烫伤。
For your safety, never approach turning parts, such as fan, belt to avoid cutting, high temperature parts as exhaust pipe, turbo-charger, muffler and radiator to avoid burn when engine is running.
让吊扇顺时针旋转，因为暖空气会往天花板跑，所以顺时针旋转的风扇会把热气吹下来哦。
Turn your ceiling fan on in a clockwise direction. Warm air rises to the ceiling, so the fan moving clockwise will push it back down to you!
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；
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；
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;
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