3:08
Recommended
In water dispensers, the application requirement for a liquid level sensor is that it does not pollute the water quality, the sensor is not easy to harbor dirt and evil, and it is easy to clean. The principle of the float sensor is to use changes in water level to drive the float
Can photoelectric liquid level sensors replace float sensors in water dispenser applications?
05/22
1507
In the 21st century, fitness and learning have become hot topics.
Fitness and recharging
05/22
1519
Recently, a reality show was released in South Korea called "High School Moms That Elders Don't Understand". In this variety show, teenage mothers are invited to share their parenting stories with the audience.
She got pregnant at 18 and gave birth to a baby at 19. Why did she dare to be so crazy?
05/21
1267
In order to further implement the Healthy China Action and further increase the popularization of health knowledge, the "Healthy China Action Knowledge and Action Competition" organized by the Office of the Healthy China Action Promotion Committee is in full swing. Hurry up and p
Help Ordos! Healthy China Action Knowledge and Action Competition is waiting for you
05/22
1872
Professor Hu Xiangming has made fruitful achievements in recent years. He has undertaken more than 20 national, provincial and ministerial level scientific research projects, involving social stability risk assessment and early warning and emergency management system research on
Safety emergency industry ④ Rescue equipment and material reserves must meet emergency requirements
05/21
1322
As the saying goes, "It is easy to hide an open spear but hard to defend against a hidden arrow." When military generals from the Three Kingdoms fight, they often face the enemy head-on. The two armies have a great chance of survival in front of the formation. For example, Zhang
Who are the famous generals whose heads were shot in the Three Kingdoms? I didn’t expect them to be ruthless characters.
05/21
1568
There is an abandoned village in Hong Kong called Wesley Village. It was built in 1954 and named after John Wesley, an 18th-century Anglican Christian theologian.
The thief of time stole two Hong Kong legends in one day
05/21
1423
Pocket Spring News "Limited time bonus! The cold-resistant and easy-to-feed Olivia rose can be delivered to your home for only a nominal express fee. Flower friends in need hurry up and take photos..." Flower e-commerce anchor Yang Yunzhi is in front of the screen. The key points
Flowers "electrically shocked" bloom in new patterns
05/21
1791
Shanghai Aid Diary It has been 27 days since the "Shoushan Aid Medical Team" followed the Shanxi aid Shanghai medical team to Shanghai at the end of April. Although the work was hard and tiring and a lot of sweat was put into it, at the same time, I also gained a lot of warmth, e
"Shanghai Aid Diary" Meng Ling's Thoughts from the Second Department of Tumor and Internal Medicine of "Shoushan Medical Team"
05/22
1595
As soon as the holiday began, Chengdu ushered in a high temperature of 36 degrees. Not to mention riding, camping, or playing Frisbee, children will be "melted" by the heat when they go out to grab a bottle of soy sauce.
The high temperature of 36 degrees is coming. There is nothing wrong with taking your children out to eat some ice during the summer vacation.
05/21
1194
Relation Video
news Relation Video
Site video recommendation
news Latest News
Overview of steel surface treatment technology The core of the steel surface heat treatment process is to make parts have the mechanical properties of "hard on the outside and tough on the inside". There are four common surface heat treatment technologies: induction heating, flam
4 types of surface heat treatments, 9 types of surface chemical treatments, 29 pages of PPT introducing the heat treatment of steel
05/23
1302
You dare to sleep in the same bed with a living person, but do you dare to sleep next to a dead person? Closer to home, as someone who has experienced the death of many relatives and often buries the deceased, let me tell you, "Why do people's faces change when they die?" Let me
Why do people have to cover their faces with cloth when they die?
05/23
1243
On the afternoon of July 4, according to Fengyun-4 high-definition visible light satellite cloud images, Typhoon Airi gradually moved eastward in the East China Sea today and has begun to approach the Japanese archipelago. Its peripheral circulation has begun to cause rainfall in
Siam is determined to move north, and a large-scale rain band is about to form! Authoritative forecast: Heavy rain will enter Northeast China
05/23
1129
For more moments that make men collapse, please continue reading: You must have encountered the following situations! There are really many things to learn about the embedded Internet of Things. Don’t learn the wrong route and content, which will lead to a loss of salary. Go up!
I heard that men who make hardware have this advantage
05/23
1640
He has been in love with Hilton's daughter Paris and supermodel Miranda Kerr, and he also spent huge sums of money to propose to the singer Elva Hsiao. He emptied the Malaysian treasury and defrauded Goldman Sachs of 50 billion before disappearing from the world, and his whereabo
A scam that emptied the national treasury involved many politicians and celebrities, but they have been impunity since the incident.
05/23
1161
I have been copying and practicing calligraphy in Toutiao for more than 40 days, but I am increasingly dissatisfied with my handwriting. At first, I just thought that I could make money by copying books and practicing calligraphy first. But after writing for a while, I found that
Accept your imperfections and make progress little by little
05/23
1941
Site Latest News
During the decoration design process, we will all choose how to do sound insulation. No matter what, sound insulation has become an issue that must be considered when selecting materials for modern decoration. Stay away from noisy places such as schools and factories. Indeed, noi
Awkward! Is your house poorly soundproofed? Netizen: Fortunately, the child goes to bed early every night!
05/23
1881
The 10th West Lake Online Security Conference 2022 will be held in Beijing and Hangzhou from July 2 to 3. As the official cooperative media of this conference, Security 419 has created the first second live broadcast room in the industry to view the event from multiple perspectiv
West Lake Sword Discussion|Zuo Xiaodong: To do network security, you have to lower your head to pull the cart, but also raise your head to look at the road
05/23
1686
Today, we will briefly review the many wars launched by the United States after World War II and see what war crimes this "world's largest source of chaos" has committed. Overview - On June 25, 1950, the Korean Civil War broke out.
“The World’s Biggest Source of Chaos”—A Brief History of America’s Foreign Wars
05/23
1221
The United States will impose an energy embargo on Russia. Stop importing oil, natural gas and coal from Russia. Mizintsev, head of the Russian National Defense Command Center, said on the 8th that Russia had evacuated more than 5,000 people from the Donbas region and other dange
Biden announced that the United States will impose an energy embargo on Russia... Another night passed, the latest developments in the situation in Ukraine
05/23
1834
The application data for 2022 has not been released yet, but judging from the application data for master's degree students released by some universities, the number of applicants for many universities is increasing compared with last year.
More than a quarter of undergraduate graduates choose to study interprofessionally
05/23
1517
On May 14 this year, in an African-American community supermarket in Buffalo, New York, an 18-year-old white gunman, under the spell of "white supremacy," targeted African-Americans and pulled the trigger. Caused 10 deaths and 3 injuries.
Weeping to the sky for justice—Freud’s death and the tragedy of human rights in the United States
05/23
1414