Is a rooftop infinity pool really safe? "Expand your knowledge" "Fun facts" "Science普及" "Lao Tie Kno

Water will flow uphill

haoyongwujingongju

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Don't watch it before bed or before meals.

marva_klein

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The foreigner's giant plow tractor actually has a cab from the last century!

haoqimiaomiaomiaody

23 Views

Yemen is the first country to be destroyed by drugs, even children are not spared. How tragic is it?

tanmi

24 Views

Super cool mechanical series of speed bumps!

jixiepangke

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The power of science

haoyongwujingongju

51 Views

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

yaki1

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Unboxing video!! The irresistible charm of machinery

jixiepangke

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Why don’t civilian aircraft spray flames? The working principle of turbofan jet engines

Jinzhengmeiyongde

18 Views

Super cool mechanical series of speed bumps!

jixiepangke

12 Views

20 common mechanical transmission structures, I'm exhausted

Jinzhengmeiyongde

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Speed bump!! Amazing machinery~

jixiepangke

20 Views

They say diamonds are forever, but they can be burned and broken.

haoqiwanhuatong

34 Views

Super cool mechanical series of speed bumps! 7.18

jixiepangke

48 Views

Speed bumps!! A mechanical marvel men can't resist~

jixiepangke

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How to lay a qualified asphalt road? #Science #Unzip #Paving #Knowledge

haoqiwanhuatong

26 Views

What kind of wisdom did the ancients have to design such a sophisticated mechanism?

haoyongwujingongju

30 Views

Let's follow Mechanical Punk to explore the irresistible charm of machinery!

jixiepangke

10 Views

Is a fish that's been frozen still considered "raw"? 10.28

jixiepangke

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Let's take a look at some satisfying work scenes! 10.9

jixiepangke

170 Views