螺旋推进器快速旋转，生成必要的上升力，使平台升起。
The spinning of the propellers generates the necessary lift, or upward force, to raise the platform.
经多变量拟合，得到了离心力作用下螺旋推进器的强度计算公式。
The strength calculation formula of the screw propeller under the action of centrifugal force was obtained through multivariate fitting.
本机适用于压番茄、菠萝、苹果、桔子等果蔬取汁螺旋推进挤压；
It is applicable of extracting varies of fruits & vegetable by auger pushing extrusion . It is capable of tomato, pineapple, apple, orange and so on.
通常螺旋推进器最大效率为75％，其余的能量以漩涡的形式损失。
Usually, the fullest efficiency of screw propeller is 75% with the rest energy lost in the way of whirlpool.
其特点是在原物料输送绞龙的螺旋推进板外边缘加装搅拌叶片或杆。
The utility model is characterized in that a mixing blade or a rod is added on the outer edge of a spiral propelled plate of an original material conveyor.
搅拌调速范围：40～200转/分，搅拌桨形式：二叶螺旋推进式。
Stirring speed range: 40~200 R/Min, Impeller form: Push type of bicuspid spiral.
螺旋推进器的桨翼激打着亚丁湾的海水，不一会儿，就开进了印度洋。
At six p. m. the 'Mongolia' slowly moved out of the roadstead, and was soon once more on the Indian Ocean.
目的之二是棱柱形螺杆柱可在螺旋推进 中对粉剂实现打碎功能，尤其适用于粘度较大的粉剂分装。
The second purpose is the pyramid spiral rod could realize a smash function for powders during screw propulsion, in particular applied to the powder filling with the large viscosity.
间断式螺旋挤压过滤机是一种高效过滤分离机械，间断式螺旋推进器是间断式螺旋挤压过滤机的重要部件。
Interrupted screw filter is a kind of high-efficient filtration and separation equipment. The interrupted screw is the important component in the interrupted screw filter.
这是一个无人驾驶的双翼飞机，它有着自动钢琴的风箱来为回旋装置提供动力，以及一个收银机的机械装置——通过记录类似螺旋推进器的转子的旋转次数来计算飞行的距离。
It was an unmanned biplane with player-piano bellows to power its gyroscope and a cash-register mechanism that calculated distance flown by counting the rotations of a propeller-like rotor.
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.
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.
当要起飞时只需要将各组件组装一起后将飞机扔向空中，它通过携带的电动螺旋桨推进器升上天空。
Launching it is just a matter of snapping the parts together and throwing it into the air, whence it is carried aloft by an electric propeller.
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。
The Sikorsky X2 has a pusher propeller mounted at the rear to obtain its high forward speed.
立方直升机的这种配置让他可以像直升机一样盘旋，但在向前飞行时，主旋翼的转速可以将下来，让两侧的机翼提供升力，在此情况下，两台螺旋桨推进器就能发挥大作用了。
This means it can hover like a helicopter, but when flying forwards can reduce the speed of the main rotor and let the wings provide part of the lift. Its propellers give the extra oomph.
贝尔格莱德与萨拉热窝之间距离200公里，坐飞机只需45分钟，如果不是那种以螺旋浆推进的飞机，速度会更快。
The daily flight between Belgrade and Sarajevo takes 45 minutes to cover the 200-odd kilometres; it would be quicker in a plane that was not propellor-powered.
只需按一个按钮，15秒钟的时间，翅膀就会自动地折叠起来，动力就会从螺旋桨推进器切换到后轮。
At the touch of a button it takes just 15 seconds for the wings to fold up automatically and the power to be re-routed from the propeller to the rear wheels.
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.
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 X2 uses a pusher propeller mounted at the rear and has a pair of contra-rotating main rotors, one positioned above the other.
双螺旋桨在向前推进时向内旋还是外旋？
本船推进系统由1 台位于艉部机舱内的低速柴油机和一个定距螺旋桨以及轴系组成。
The vessel is to be single fixed pitch propeller propulsion with one (1) low speed diesel engine located aft.
认为以满足螺旋桨额定推力为目的，推进电动机只需要低速输出额定转矩来实现，即输出功率较低。
In order to satisfy the operation requirement of the rated thrust of the propeller, the propulsion motor performs only in rated torque on the low speed, so the motor power is low.
介绍了新近研制成功的一种以螺旋压伸成型工艺制造的能量较高的低特征信号推进剂的主要性能，并重点讨论了研制的关键技术。
The major characteristics and key technology about a new propellant with high energy and low signature are described, it is successfully studied by the screw extrusion technology recently.
目前POD推进器已成为国外螺旋桨推进技术的最新发展趋势。
At present, POD propeller has already become the newest development trend of propelling technology in foreign countries.
船用螺旋桨是一类典型的自由曲面零件，它的设计和制造精度直接决定了其推进效率。
Marine propeller is a type of free form surface part. Its design and manufacture precision decide ship's thrust efficiency directly.
这些坦克车下截设有不透水帆布围裙，以便漂浮，并特设螺旋桨，以便向海滩推进，登陆之后即可照正常操作。
Equipped to float with impermeable canvas skirts, these tanks were to propel themselves to the beach with an AD hoc propellor and then resume normal operation.
这些坦克车下截设有不透水帆布围裙，以便漂浮，并特设螺旋桨，以便向海滩推进，登陆之后即可照正常操作。
Equipped to float with impermeable canvas skirts, these tanks were to propel themselves to the beach with an AD hoc propellor and then resume normal operation.
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