随着低沉的隆隆声，螺旋桨开始旋转起来。
With a low-pitched rumbling noise, the propeller began to rotate.
绳索缠住了螺旋桨。
提倡者恰当地为修理螺旋桨拨专款。
The prophet appropriately appropriated the fund for repairing propeller.
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。
Unlike the blades on old-fashioned propeller engines, these blades spin around at the back of the engine.
这些古巴人在一辆1951年的雪佛兰卡车上安装了浮筒和螺旋桨。
The Cubans had attached floats and propellers to a 1951 Chevy truck.
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。
Propulsion is provided by a rocket engine, rather than a propeller and rudder, which makes steering difficult.
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。
It is a very tacky whirligig with a little man who chops wood as the wind blows the propeller.
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。
The Air Force quickly became the think tank's main contractor, and Rand began consulting on everything from propeller turbines to missile defense.
这些塔会升出水面并且亮灯，用以警示船只避让，同时也能够完全升到水面以上，以方便维修螺旋桨和清理叶片上的水草。
The towers will stick out of the water and be lit, to warn shipping, and also be designed to be lifted out of the water for maintenance and to clean seaweed from the blades.
游戏需要设定飞行路线，来安全引导特大喷气客机到大型跑道、引导小型螺旋桨飞机至简易跑道、以及引导直升机到直升机场。
The game involves setting flight paths to safely direct jumbo jets to the large runway, smaller prop planes to the airstrip, and helicopters to the helipad.
大多数使用电力驱动的螺旋桨和推进器进行操纵。
Most use electrically driven propellers or thrusters to manoeuvre.
相比之下，涡轮螺旋桨飞机的维护是容易的。
轻型涡轮螺旋桨攻击机也不是仅仅比喷气战机优越。
Nor is it only jets that light-attack turboprops can outperform.
改变螺旋桨各自的速度也因而成了操纵这部飞行器的方式之一。
Varying the speed of the propellers also provides a means of steering the aircraft.
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。
Some gliders can launch themselves with a retractable propeller turned by a small combustion engine.
就在她到达3000英尺前，螺旋桨不转了，她急速落向地面。
Right before she got to 3000 feet, the propeller stopped, and she twirled to the ground.
“这是一个变距螺旋桨，就像在自行车上安齿轮一样，”兰德说。
"It's a variable-pitch propeller, which is like having gears on a bike," Land says.
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。
Under these conditions, flapping, birdlike flight might well have some benefits over propeller-driven or helicopter flight.
他的试验表明，海豚可以通过辨别螺旋桨发出的声音鉴定不同的舰只。
He conducted tests to show that they could recognize different vessels by the sounds of their propellers.
他们的秘密武器是一辆使用生物燃料、螺旋桨驱动的冰橇。
This was their secret weapon: a biofuel, propellor-driven ice buggy. Expedition leader Andrew Moon recalls the journey.
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。
It suffered from a cumbersome conversion process, and its detachable wings and propeller had to be left at the airport.
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。
Television footage showed the tail of the twin-engined propeller plane visible amid the burning wreckage.
比如，当飞机的螺旋桨疾驰过云层时，会给云一个向后的作用力。
When a plane's propeller, for example, spins through a cloud, the propeller exerts a rearward force.
它是世界上第一种大量生产的装备有双涡轮螺旋桨引擎的直升机。
It is the first mass production helicopter in the world that was equipped with two turboprop engines with the free power turbine.
我甚至记得电视首秀中使用的歌曲：‘螺旋桨头’的《带上加州》。
I can even remember the song used in the first TV spot: Take California by the Propellerheads.
海豹们可能会游到螺旋桨旁边，此时螺旋桨突然启动，悲剧就发生了。
The seals could have swum close to such a propeller, and met a gruesome end when it was suddenly switched on.
但我也知道，它们这些笨拙的海洋生物经常被船的螺旋桨划伤，或卷入捕蟹器中。
But I also knew how common it was for these lumbering giants to be gashed by boat propellers or entangled in crab traps.
但我也知道，它们这些笨拙的海洋生物经常被船的螺旋桨划伤，或卷入捕蟹器中。
But I also knew how common it was for these lumbering giants to be gashed by boat propellers or entangled in crab traps.
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