People's Life
1 What does “Beijing time eight o'clock” mean?
2 Does eye protection lamp really protect eyes?
3 What is the area of 1 tatami?
4 How to measure the area of commercial housing?
5 What are the mysteries of the “scale” in the farmers market?
6 How tight is the“tightening bolt”?
7 Do you understand the connection between non-stick pan and metrology?
8 Is the rope of the ropeway safe?
9 Why are the glasses so clean after the “washing”in the optical shop?
10 How much harm does the mosquito repellent product pose to the human body?
11 Do you know the“power stealing thief”at home?
12 What does“net content”mean on the package of goods?
13 How is the pressure in household tap water formed?
14 Why do people feel chest congestion on rainy days?
15 Why can't you break an egg in your hands?
16 What is IC card water meter?
17 What are the characteristics of LED lights?
18 How to choose a charge pal?
19 How to choose energy-saving lamps?
20 What determines the clarity of the phone photo?
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