这是一架有八个座位的双螺旋桨飞机。
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.
直升机的螺旋桨开始转动时，尽量离远点儿。
Stay well away from the helicopter when its blades start to rotate.
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.
装上螺旋桨和尾翼之后，看起来极像小飞机。
Add a propeller and a tail fin and it looks exactly like a little plane.
涡轮螺旋桨飞机也很难被击落。
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.
螺旋桨慢慢咬紧她的肩膀，她又大叫起来。
The screw bit slowly into her shoulder and she screamed again.
“我们看到直升机的螺旋桨都飞到天上去了”，她说。
相比之下，涡轮螺旋桨飞机的维护是容易的。
第一架飞机是由螺旋桨驱动的，要比当今的标准飞得慢得多。
The first aeroplanes were driven by propellers and they flew slowly by present day standards.
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.
螺旋桨的叶片在奋力地旋转以便让我们停留在空中。
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.
他的喷气流不需要螺旋桨，而是由一个两端开口的管子来实现。
His jet needed no propellers. It was a tube, open at both ends.
“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.
取而代之的是，它能自动调整使每个螺旋桨以稍有差异的速度运转。
Instead, slight speed variations on each propeller perform that function automatically.
取而代之的是，它能自动调整使每个螺旋桨以稍有差异的速度运转。
Instead, slight speed variations on each propeller perform that function automatically.
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