Why can't the dam body of a dam be of uniform cross-section? What shape would actually make it the m

How does the Zhan-type coupler solve the train connection problem? What kind of coupler is used on h

1 View

Principles of Turbocharging and Supercharging

158 Views

Car repair tips: temporary inflation, wire bundling to prevent punctures, DIY fenders, lubricating t

54 Views

Introduction to Tequila

131 Views

Unlock the Secrets of Physics Together!

31 Views

Introduction to Traditional Group Farming Culture in Africa

106 Views

Why does a smooth, waxy surface prevent slipping?

12 Views

The Evolutionary History of Aliens

42 Views

Animation simulates the bodily changes that occur during pregnancy

28 Views

Simple Science Experiment You Can Do with Just a Bottle

13 Views

Dynamic Video | Magnified 100x: We Captured the Metal Replacement Process…

34 Views

What happens when the moon wakes up?

46 Views

The Ultimate Sense of Comfort and Aesthetic Beauty

42 Views

Some Amazing Work Sites! (Late Release)

13 Views

The Fertilization Process of Sperm and Egg

58 Views

Men’s Speed Bump Series: Skilled Workers 11.18

23 Views

Men’s Speed Bump: Mechanical 11.9

59 Views

[Uncle Qiu Takes a Look] The video has been packaged—welcome to check it out!

9 Views

The sunfish that all fishermen dislike when they see it!

1 View

Quick Science: Do you know why bagged water is so popular in Africa?

5 Views