The rope fouled the propeller.
绳索缠住了螺旋桨。
With a low-pitched rumbling noise, the propeller began to rotate.
随着低沉的隆隆声，螺旋桨开始旋转起来。
It is a very tacky whirligig with a little man who chops wood as the wind blows the propeller.
它是一个非常寒酸的旋转玩具，上面还有一个在风吹螺旋桨时候就会砍木头的小人。
Unlike the blades on old-fashioned propeller engines, these blades spin around at the back of the engine.
与老式螺旋桨发动机的叶片不同，这些叶片在发动机的后部旋转。
Propulsion is provided by a rocket engine, rather than a propeller and rudder, which makes steering difficult.
推进器是由火箭发动机提供的，而不是螺旋桨和方向舵，这使得转向变得困难。
In the 1960s and 1970s, most personal and corporate planes were propeller or turbo-prop aircraft, which fly at a lower altitude than jetliners.
在1960和1970年代，大部分个人和企业的飞机是飞行高度低于喷气式飞机的螺旋桨式或涡轮螺旋桨式飞机。
The Air Force quickly became the think tank's main contractor, and Rand began consulting on everything from propeller turbines to missile defense.
空军很快成为了这家智库的主要承包商，兰德开始就从螺旋桨涡轮到导弹防御等一切问题进行咨询。
We have fixed pitch propeller.
我们船有固定螺距螺旋桨。
We have controllable pitch propeller.
我们船有可变螺距螺旋桨。
A pusher propeller has been fitted at the rear of the X2 to provide extra oomph.
与此同时，一台推进器也已经被装配在了X2的机身后方，以此来提供额外的推力。
"It's a variable-pitch propeller, which is like having gears on a bike," Land says.
“这是一个变距螺旋桨，就像在自行车上安齿轮一样，”兰德说。
The Sikorsky X2 has a pusher propeller mounted at the rear to obtain its high forward speed.
美国西科斯基公司的X2拥有一部安装在后方的推进螺旋桨，这使它获得高速的前飞速度。
A Voith-Scheneider propeller thus provides power and steering at one and the same time.
这样Voith - Schneider推进器就可以在提供动力的同时实现操控。
The plane will carry four 100 kilogram lithium batteries each powering a propeller engine.
太阳动力号“装有4快重大100公斤的锂电池，每块电池为一个螺旋桨助推器提供动力。
Some gliders can launch themselves with a retractable propeller turned by a small combustion engine.
有些滑翔机可以靠着由小型内燃机驱动的可伸缩螺旋桨来起飞。
Television footage showed the tail of the twin-engined propeller plane visible amid the burning wreckage.
电视画面显示在燃烧的飞机残骸中可以看到这架双引擎螺旋桨飞机的尾巴。
In Berlin, Germany, the Propeller Island City Lodge is a go-to place for travellers who enjoy whimsical decor.
德国柏林的螺旋桨岛城市别墅的房间装饰非常异想天开，是游客们趋之若鹜的地方。
It suffered from a cumbersome conversion process, and its detachable wings and propeller had to be left at the airport.
除过忍受繁琐的转换程序，而且你需要把可拆卸机翼和螺旋桨留在机场。
Local television news reported it was only possible thanks to the many small, red propeller-planes of Air Greenland.
当地电视新闻报道说，多亏有格陵兰航空许多小型红色的推进式飞机的帮助，这一大任务才有可能完成。
William learnt how to fly fast propeller-powered planes and helicopters during the four-month RAF training.(See photo)
培训期间，威廉学习了高速螺旋桨飞机和直升机驾驶技术等课程。
Under these conditions, flapping, birdlike flight might well have some benefits over propeller-driven or helicopter flight.
在这种情况下，拍击，像鸟儿一样飞可能比螺旋桨推进飞行要好些。
The X2 uses a pusher propeller mounted at the rear and has a pair of contra-rotating main rotors, one positioned above the other.
它使用一个安装在后面的推进式螺旋桨并有一对一上一下反向旋转的主旋翼。
The Wright brothers proved otherwise on December 17th 1903, making a series of short flights in a flimsy, single-propeller plane.
莱特兄弟在1903年12月17日用一架轻而薄的，单螺旋桨的飞机实现了一系列短距离飞行，从而证明了这并非不可能。
Launching it is a matter of snapping the parts together and throwing it into the air, whence it is carried aloft by an electric propeller.
发射的时候只需要把它的部件扣装在一起，然后往空中投掷即可，会有电动推进器带动其升空。
The walls of the club were covered with black-and-white photos of Polish pilots, and a huge propeller from a Spitfire was fixed to one wall.
俱乐部的墙上满是波兰飞行员的黑白相片，还有一个喷火式战斗机的巨大螺旋桨悬挂在一面墙上。
This avoids the use of a traditional propeller shaft and puts the propellers in a clear flow of water, which greatly improves efficiency.
这样就避免了使用传统的螺旋轴，将螺旋桨置于干净的水流中，从而大大提高了效率。
This avoids the use of a traditional propeller shaft and puts the propellers in a clear flow of water, which greatly improves efficiency.
这样就避免了使用传统的螺旋轴，将螺旋桨置于干净的水流中，从而大大提高了效率。
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