电动机的专业英语为（）。A、GENERATORB、MOTORC、CATHODED、FREQUENCY
电动机的专业英语为（）。
- A、GENERATOR
- B、MOTOR
- C、CATHODE
- D、FREQUENCY
相关考题：
OFDM的英文是()A.OverloadFrequencyDivisionMultiplexingB.Orthogonal?Frequency?Division?MultiplexingC.Overwhelming?Frequency?DivisionMultiplexingD.Outstanding?Frequency?Division?Multiplexing
In a ordinary cargo crane, ______is fitted to rotate the crane.A.the slewing motorB.the luffing motorC.the hoisting motorD.the fan motor
What is LEAST likely to cause ignition of fuel vapors ________．A.Static electricityB.An open running electric motorC.Loose wiringD.Explosion proof lights
Which of the following tools would be the BEST to check connectivity of a CAT5 cable？（）A、Tone generatorB、MultimeterC、Punch-down toolD、Cable tester
Start the （）(艇机), drive the boat from the ship quickly.A、boat engineB、davit motorC、main engineD、fire boat
FDM的英文是（）A、Overload Frequency Division Multiplexing B、Orthogonal Frequency Division Multiplexing C、Overwhelming Frequency Division Multiplexing D、Outstanding Frequency Division Multiplexing
OFDM的英文全称是（）A、Orthogonal Frequency Division MultiplexingB、Outstanding Frequency Division MultiplexingC、Overwhelming Frequency Division MultiplexingD、Orthogonal Frequency Division Modulation
If a shipper has strict arrival and departure requirements, which kind of transport mode he should consider firstly?（）A、RailroadB、MotorC、Both of themD、Neither of them
填空题城铁列车中VVVF（Variable Voltage Variable Frequency）电源，主要用于交流电动机调速。为保证电动机转速在较宽的范围内连续可调，要求逆变器输出（）和（）都有较宽的调节范围。为保证电动机气隙磁通恒定以防止铁心饱和，还必须使逆变器输出电压和频率（）变化。逆变器需要有（）的响应速度，以使电动机获得良好的调速性能。为了为了使电动机有较高的运行效率，并且在低速下也能稳定运行，应尽量减少逆变器输出的（）含量。