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In addition to meeting the control requirements of the production process of the controlled equipment, the three-phase asynchronous motor control circuit must also consider the reliability of the circuit in case of malfunctions and abnormal working conditions. Because when these
Protection circuits commonly used in three-phase asynchronous motor control circuits in hotel projects
05/20
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On social platforms, netizens lamented that "three of the four great talents in Hong Kong have gone", "Huang Zhan, Jin Yong, Ni Kuang, and only Chua Lam is left." In the circle of friends, a veteran in the media circle wrote: It is not the social era without Huang Zhan.
If he had not fled Inner Mongolia, Ni Kuang might have just been a counterrevolutionary
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Author: Gantang As Cai Lun in history textbooks, his appearance has always been among the four great inventions, including papermaking that has been passed down to this day. And this eternal achievement came from the hands of a eunuch. In Cai Lun's life, papermaking was only a sm
Let’s talk about the life of eunuch Cai Lun: Papermaking is just a small thing
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I believe that many friends have watched Teacher Dong Yuhui’s live broadcast and were deeply impressed by this talented teacher. It was through this teacher that we discovered that live streaming can be so elegant.
Teacher Dong Yuhui said how to read, and you will understand after reading it
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In the 1970s and 1980s, there was no Internet, game consoles, or even electricity. At that time, children's childhood was happy. They could find their own fun. They used their wisdom to create various handmade toys that could bring them fun.
Children in rural areas in the 1980s made homemade toys, full of memories. Do you know how to do it?
05/19
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One summer in 1955, Mo Yan's father said, "Son, look at the land in front of you. It used to be our land. Since China was liberated, our land was given to those unruly people. We must remember that our enemies are our Mo family." The group of people who liberated China.
A conspiracy of coincidences. Writer: Ordinary people, partly facts and partly to be confirmed
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Boss Liang: @心有成 Zhu You are so versatile and knowledgeable! You have a clear mind: We talk to each other more often when we have nothing to do. We have been sharpening our ink and axes since we were young until our old age.
Frequent greetings and chats
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There is only half a word difference between teaching a man to fish and teaching him to fish. Once upon a time, two hungry men went out to seek a way to survive. An elder gave them two things as a gift for them to choose - a fishing rod or a basket of fat fish. One hungry man too
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Today I will tell my family about a real case of a son with a history of schizophrenia who violently beat his mother. First of all, let’s take the time back to the time when the child was in the third year of high school. It was also at that time that the child’s whole temperamen
The clever son beats his mother violently, what is the fate of his past lives...
05/19
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Time flies, time flies. With the development of human history, the public's aesthetic concepts are also constantly changing. The definition of beauty also has its own standards. Some like fair and thin girls, some like silly and sweet girls, and most of them like fair girls with
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1. Adjustment background In order to accelerate the construction of Fenghua Mingshan Intelligent Garden, Yuelin Street organized and carried out the "Partial Adjustment of the Controlled Detailed Planning of the Lots on both Sides of Dacheng Road, Yuelin Street, Fenghua District,
Announcement after approval! Partial adjustments to the lots on both sides of Dacheng Road, Yuelin Street, Fenghua District
05/21
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# Peking University Professor Talks about Zhao Paner’s Marriage# Did the emperor and ministers of the Northern Song Dynasty have a mid-life crisis? What skills would make modern people happiest in the Song Dynasty? What kind of legendary life could a maid in the Northern Song Dyn
Peking University Professor Zhao Dongmei talks about "Menghualu" and short videos, which are beneficial to spreading the history of Song Dynasty
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#Meet more beautiful childhood# When I was young, I didn’t know it was called a rainbow. It seems that we all call it a bang here. Many people call it that. My parents also taught me this when I was young. So it can’t be changed now. I want to ask my friends, how long has it been
How long has it been since you saw a rainbow?
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On June 29, the Urban Power Supply Station of Yunnan Qujing Shizong Power Supply Bureau of China Southern Power Grid actively carried out monthly rotation training. The content of this rotation training was "Single-phase Electric Energy Meter Field Verification".
China Southern Power Grid Yunnan Qujing Shizong Power Supply Bureau: Monthly rotation training, "promotion" is not negotiable
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He has been entrenched in Henan for many years and is known as the local "gang godfather"; he relies on violent means to monopolize the local textile, shipping and other industries, and calls himself the "Textile King"; in order to occupy the territory, he leads two hundred broth
Song Liugen, the godfather of the Henan underworld, led 200 men to cross provinces to grab territory. He was more ferocious than Qiao Si from Northeast China.
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When you think of spicy food, you may think of Sichuan spicy food, Hunan spicy food, and Guizhou hot and sour food. But in fact, spicy food is also the favorite of Yunnan people. It’s just that the spiciness in Yunnan seems to be more varied, and it’s difficult to summarize its c
Where is the most spicy food in Yunnan? The first place is too scary, I dare not try it easily
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In the entire academic life of students, the two exams that can determine the future direction are the high school entrance examination and the college entrance examination. In the past, students and parents focused on the college entrance examination, so the high school has a po
“No matter how bad a high school is, it is still better than a technical school.” The employment gap is obvious. Don’t regret taking the wrong path.
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There is a very famous witch in Liujia Village who specializes in giving people fortune-telling and exorcisms. All the villagers respected her and regarded her as a fairy, and outsiders often came to see her to ward off evil spirits. There was a bachelor named Liu Fu in the villa
Folktale: Playing with the Witch
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Dong Yun bought a high-speed rail ticket for Sun Lang's mother in advance and invited her to come to Yanjing to celebrate the New Year. Sun Lang's mother happily agreed. This kind of missile has a range of less than 5 kilometers, a shooting height of more than 3 kilometers, a max
The novel "Defender" (Special Operations Serial) Chapter 107: Surprise Attack (1)
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The room was empty, and thick dust floated in the air as I entered, making me sneeze. The air-conditioning in the lobby of the nursing home is fully turned on, and the walls are covered with various honorary medals. The female staff member wearing glasses, stepping on high heels,
Story: My father died unexpectedly in a nursing home. Millions of assets in his name disappeared. I became suspicious.
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This story has been authored by the author: Mayfly Ruzhi, and is authorized to be published exclusively on the Reading Stories app every day. Its associated account "Talk" has been legally sub-authorized for publication, and any infringement will be investigated. 1 It was another
Story: Because of my love, I married my honest boyfriend without any gift. After the marriage, I was lying on the hospital bed and realized my regret.
05/21
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Some time ago, the issue of electric earthworms aroused widespread attention and discussion among netizens. Electric earthworms use a machine similar to electric fish to insert two electrodes into the ground. After turning on the switch, the earthworms will automatically drill ou
After earthworms, wild scorpions are also in crisis. Scorpion catchers are searching all over to find out how harmful they are.
05/21
1939