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Anonymous users2024-02-07Commonly used twisted pairs, right?
What else is there to screenshot and not screenshot. Very simple.
Standard A Standard B Standard.
Line sequence of standard B: orange, blue, green, brown Standard A: Just change green and orange.
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Anonymous users2024-02-06Just write down the process of your production, first strip the wire, then select the crystal head, and arrange the order of the network cables or something.
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Anonymous users2024-02-05Whether the master ghostwriting indicates that the master will help you get the certificate by the way, and the power is not for money, and the money in the future will also depend on yourself.
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Anonymous users2024-02-04Listen carefully in class and study carefully after class, and you will definitely be able to come out!
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Anonymous users2024-02-03Isn't it made of holes? Go to the next circuit diagram on the Internet and install it yourself. According to your own situation, make it simpler.
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Anonymous users2024-02-02Familiar with the drawing of electrical control circuits, the start control of three-phase asynchronous motors, the forward and reverse rotation control of three-phase asynchronous motors, the speed control of three-phase asynchronous motors, the braking control of three-phase asynchronous motors, other typical control links, the control circuits of DC motors, and the limb protection links of electrical control.
Difficulties: 1. Analysis of the working principle of electrical control circuits.
2. Design of electrical control circuits.
The drawing principle of the electrical schematic diagram of the electrical control circuit and its square calendar (axis coordinate annotation method and abscissa annotation method), the circuit principle analysis of the motor start-up control --- direct start, decompression start, series resistance start, series frequency sensitive resistance start, the control of the forward and reverse rotation of the motor, the speed regulation method of the three-phase motor--- the analysis of the pole-changing speed regulation, the variable auspicious lead frequency speed regulation and the variable slip differential rate speed regulation circuit, the brake control of the motor--- the analysis of the energy consumption braking, reverse braking and power generation braking circuit, Analysis of control circuits in other typical links.
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Anonymous users2024-02-01o( o haha ..
You can write down the knowledge points involved in the cave grandson, see pages 1 to 20 of the notebook for details.
If you encounter a problem, you can write and ask your classmates in detail.
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Anonymous users2024-01-31Network cable sequence, white orange, orange, white green, blue, white blue, green, white brown, brown, do a good job of two lines at one end are connected to two computers, the other end is connected to the switch, the two set the same network segment of the IP address, default gateway, subnet mask, you can use and then on the machine,
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Anonymous users2024-01-30So what's your problem? Do you have any questions? Or do you want your screen name to help you correct your mistakes?
After leaving the boring high school life and entering a more relaxed college life, most freshmen will feel much less stressed. In short, the winter vacation of the freshman year is a long and more free vacation, and how to arrange the holiday life is naturally very important, which is also the topic of my investigation. The results of the survey are presented below. >>>More
As a practitioner in the venture capital circle, I have made more than 300 business plans for more than 2 years, helping enterprises to raise nearly 300 million yuan, which seems to be two problems, but it is actually one problem, which is to clarify your target object, dismantle the needs, and give a set of solutions! >>>More
I found it for you at the bottom.
Principle. Electromagnetic dot timer is a kind of timing instrument that uses AC power supply, its working voltage is 4 6V, the frequency of the power supply is 50Hz, and it hits the dot every other day. >>>More
In order to gain admission to the university, some students start preparing early. At an early age before they graduate from secondary school, these students begin to take special classes to help them prepare for advanced studies. They will also take one or several exams in their final year of secondary school to test how well they are preparing for college. >>>More
Summary. Dear leaders and colleagues:
Today, I am honored to stand on this podium and participate in the election for the position of squad leader of this property company. First of all, I would like to thank Ninggang Property for organizing this property company job competition draft, which gave me this opportunity and platform to show myself; Secondly, I would like to thank the leaders of the company's property for their encouragement and support, and thank my colleagues for their understanding and help, so that I can get better exercise and learning here, and continue to grow and thrive in my work, so that I will have the confidence to stand on a podium today. >>>More