aSudhan Sudhan[translate] a昨天没去上课 Yesterday has not gone to attend class[translate] aThe system used in this work is composed of a larger flywheel assembled at the top of the rotor which has two parts thinner specially as shown in Fig.1 用于这工作的系统由一个更大的飞轮组成被装配在...
If you place an object like a rotor blade in the path of that wind, the wind will push on it, transferring some of its own energy of motion to the blade. This is how a wind turbine captures energy from the wind. The same thing happens with a sail boat. When moving air pushes on...
As the turbine turns, the excitor sends an electrical current to the rotor. The rotor is a series of large electromagnets that spins inside a tightly-wound coil of copper wire, called the stator. The magnetic field between the coil and the magnets creates an electric current. In the Hoover...
If a car drives through a puddle, a carwash or even a rainstorm, the brake rotors can get wet. A wet brake rotor is slippery and difficult for the brake pads to grab. Having drilled holes on a brake rotor makes it easy for heat, gas and water to be quickly moved away from the ...
aexplain something 解释某事[translate] acardiovascular disease of prevention 预防心血管疾病[translate] a我以为是我的朋友 I thought is the friend of mine[translate] aTell how students get to your school. 告诉怎样学生到您的学校。[translate]
At take-off, the operating point of the open rotor should be set such that the non-dimensional lift is as high as possible, without causing significant flow separation. This can be achieved through suitable amounts of re-pitch and speed up applied to a design. Comparisons with fully three-...
Unlike airplanes, helicopters have rotor blades that spin horizontally. It is the spinning of the blades that creates lift, which is an upward force of air. When your pinwheel helicopter falls, it is due to the force of the earth’s gravity. Lift, and the design of the rotors help it ...
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When the engine starts, it powers a drive belt that spins a pulley attached to the alternator. The pulley turns the alternator’s rotor shaft, which spins a group of electromagnets around a coil that generates Alternating Current (AC). Then, this AC flows through the rectifier — a device ...
asay sth to sb 言sth对sb[translate] adermatologicaily tested dermatologicaily测试[translate] aim takingoff,ill be back online later tonight im takingoff,不适今晚回来网上以后[translate] aAMATEURANALASIANBBWBDSMBIG TITSBLONDEBLOWJOBSBRUNETTECARTOONSCELEBRITIESCREAM PIECUM SHOTSFACIALFRENCHGERMANHAIRYHANDJOBS...