This article introduces the application of PLC timer for end station protection in double speed lift.
本文介绍了PL C定时器在双速电梯端站保护中的应用。
This article introduces the application of PLC timer for end station protection in double speed lift. The methods can improve the safety reliability of the lift.
本文介绍了PL C定时器在双速电梯端站保护中的应用。这种方法能提高电梯的安全可靠性。
An aeroplane has to reach a certain speed before there is enough lift to get it off the ground.
飞机得在达到一定的速度以后,才能有足够的提升力从地面起飞。
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.
这意味着它能像直升机一样悬停,但向前飞时可能减少主旋翼的速度并让这两个短翼提供部分提升力。
This means it can hover like a helicopter, but when flying forward can reduce the speed of the main rotor because the wings provide part of the lift.
这意味着它能像一架直升机那样作空中悬停,而在向前飞行时,又能降低主旋翼的速度,因为它的一对短翼提供了部分升力。
Pitch controller: to maximize lift as the wind speed changes, a controller can automatically rotate each blade anywhere from a fraction of a degree to multiple degrees per second.
间距控制:为了最大限度地根据风速变化提升发电效率,新型风力发电机上的控制器每秒钟都能够对每一片风叶进行任何角度的调整。
The aerofoil of a wing creates more lift than drag, but exactly how much depends on its design and the speed of the air passing over it.
飞机上的机翼制造升力超过阻力,但具体取决于机翼的设计和当时经过的空气流动速率。
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.
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。
If you go much faster, the center of lift moves back on the wing, pushing the nose down and increasing velocity, until you soon approach the speed of sound.
如果飞机飞的太快的话,升力的重心就会从机翼转移到前半部机身上,飞机就会下降,速度会接近音速。
All equipment should be adjusted to operate at the required speed and with the specified traverse and lift motion for all hydraulic equipment.
所有液压设备都要进行调节,并在规定的的速度下进行横向进给和提升运动操作。
And he will lift up an ensign to the nations from far, and will hiss unto them from the end of the earth: and, behold, they shall come with speed swiftly.
他必竖立大旗,招远方的国民,发丝声叫他们从地极而来。看哪,他们必急速奔来。
Your levels of consciousness continue to grow exponentially, and it gathers speed as those who are ahead are instrumental in helping others lift up.
你们的意识水平继续呈指数增长,当那些领先的人们正在有助于帮助他人提升的时候,它聚集了速度。
The 6-speed automatic is working smoothly, and the 171 horse power lift the 1.600 kg heavy car comfortable to the driver's destination.
六速的变速箱运转流畅,171马力带动1600公斤重的车身是绰绰有余。
And as in races, it is not the large stride, or high lift, that makes the speed: so in business, the keeping close to the matter, and not taking of it too much at once, procureth dispatch.
譬如在赛跑中,速度并不靠步武之大与举足之高; 同此,在事业上,达到敏捷的方法在乎专心治事而不在一次包揽许多事务也。
The main content is to explore a scheme that makes fin stabilizers produce lift at zero speed.
主要研究内容是探索一种能使减摇鳍在零航速或低航速条件下产生升力的解决方案。
In order to keep the flying speed, produce certain aerodynamic lift, the birds overcome the air resistance with three kinds of methods.
为了保持飞行速度,产生一定的气动升力,鸟类用三种办法来克服空气阻力。
The lift of fin would vanish at anchor. Because the speed of water flow across the surface of fin stabilizers is zero on this condition.
船舶在低航速或零航速情况下,由于流过鳍表面的水流速度为零,鳍上升力也将消失,因而此时减摇鳍几乎不能进行减摇。
Analyses results show that the materials, tension and rigidity of wires, speed of trains, wave speed, and lift forces are primary factors that affect fatigue life of contact wires.
分析结果表明,接触导线线质、张力和刚度以及列车运行速度、波动传播速度和抬升力是影响导线疲劳可靠性的主要因素。
The key technique of the project of the high-speed rotorcraft is the shift smoothness of lift and power.
高速型方案的关键技术在于转换过程中升力、功率及操纵是否能平滑过渡。
The configuration also provides acoustic shielding and, at low speed, increases aircraft lift without a thrust or drag penalty.
该构造还提供声屏蔽,并且在低速下,增加飞机升力的同时没有推力或阻力损失。
Variable-speed control we already know, at a certain speed axial flow pump are working under, and to obtain the corresponding flow, lift, power and efficiency.
变速调节我们已经知道,轴流泵是在一定转速下工作的,而且获得相应的流量、扬程、功率和效率等。
High-speed aircraft usually employ thin, low-drag, low-lift airfoils; slow aircraft that carry heavy loads use thicker airfoils with high drag and high lift.
高速飞机通常采用低阻力、低升力的流线型薄翼型,载重量大的低速飞机使用高阻力、高升力的厚翼型。
Elevator system: 5 Mitsubishi high speed passenger lift, through to underground parking lot, convenient and rapid.
电梯系统:采用5部三菱高速客梯,直达地下停车场,方便快捷。
Power and Gearing device: Various kinds of motor, reducer, variable-speed motor, lift machine, protection device, and electronic control system etc.
动力与传动装置:各种类型电动机、减速机,变速机、电梯主机,保护装置,电控系统等。
A plane must maintain a minimum speed to generate lift, and the higher it travels, the faster it must go.
所以,飞机必须保持一个最低速度以产生升力,而且飞行的高度越高,飞机维系升力的速度也越高。
Introduces the working-case and the controlling-process of the mine lift, analyses the principle of variable frequency adjust speed and energy saving in terms of theory.
介绍了煤矿提升机的工作情况和控制过程,从理论上分析了提升机变频调速和节能的基本原理。
High delivery lift and high backpressure required in fuel throttle valve test were obtained through higher rotation speed of the main pump.
利用长征系列发动机主泵作为动力源,提高其转速,解决了燃料节流阀试验要求的高扬程、高背压等技术难题。
In order to ensure safe construction on revenue lines after the speed-lift, technical measures for signal safe construction should be timely updated.
既有营业线提速后,为确保营业线施工安全,信号施工安全技术措施也应及时改进。
Incorrect air speed readings could have led the pilots to fly so fast that the plane broke apart. Wrong data can also cause pilots to fly too slow and lose lift.
错误的空速读数可能会导致驾驶员飞的过快以至于飞机解体,也会使得驾驶员飞的过慢,飞机升力不够。
Incorrect air speed readings could have led the pilots to fly so fast that the plane broke apart. Wrong data can also cause pilots to fly too slow and lose lift.
错误的空速读数可能会导致驾驶员飞的过快以至于飞机解体,也会使得驾驶员飞的过慢,飞机升力不够。
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