提高高旁通飞机引擎的方法之一就是把风扇变成开放式旋翼,有点回归于螺旋桨的味道,但要使用两圈粗短的反旋桨叶。
One way to increase the efficiency of a high-bypass jet engine is to turn the fan into an open rotor, a bit like returning to propellers, but using two rings of stubby counter-rotating blades.
风洞的螺旋桨和风扇马达坐落在出口锥,在施工期间出现在这里。
The wind tunnel's propellers and fan motors were situated in the exit cone, seen here during construction.
空气螺旋包括螺旋桨、风车、风扇和直升机叶片等。
The airscrew included various propellers, fans, windmills and helicopter blades, etc.
专用于电动关节,水下螺旋桨,电动滑板车,大功率风扇。
Specialized for electric joint, underwater propeller, electric scooter, high-power fan.
专用于电动关节,水下螺旋桨,电动滑板车,大功率风扇。
Specialized for electric joint, underwater propeller, electric scooter, high-power fan.
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