Why does the flame from an aircraft engine come out in rings? Do you know the principle behind it?

Parenting tips

5-MinuteCraftszhongwen

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On May 20, all nine crew members on the Iranian presidential helicopter died. No signs of life were

junqingading

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Far more than the average family car? A palm-sized inline four! The whole process of assembly!

kejishouo

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Man speed bump!! Skilled worker series~

jixiepangke

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Made a glider with balsa wood strips and film, and the weight is only 0.42 grams? !

feifeijiyk

612 Views

Skilled workers at a satisfying job site~

jixiepangke

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The outrageous failures encountered by the auto mechanics, all-round broadsword mines

debora_curry_03_01

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Incredible seed growth process!!

jixiepangke

86 Views

Build a large remote-controlled aircraft from scratch based on the Airbus A350 aircraft

YouTubejingcaishipin-

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Today's stress-relieving video: an awesome mechanical series~

jixiepangke

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The outrageous failure encountered by the auto mechanic: the car cannot be worn with high heels

debora_curry_03_01

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Man speed bump!! A satisfying job site~

jixiepangke

22 Views

Those irresistible mechanical speed bumps~

jixiepangke

36 Views

Let's take a look at those satisfying little moments together!!

jixiepangke

15 Views

Why do CNC engraving machines make seasoned craftsmen both love and hate them?

jixiepangke

85 Views

The man as a speed bump: the skilled worker

yaki1

28 Views

Today's stress-relieving video: an astonishing workplace scene~

jixiepangke

73 Views

Today's stress-relief video!! Worker series ~2.10

jixiepangke

120 Views

Why doesn't it hurt when a needle is stuck in my finger?

yaki1

26 Views

20 common mechanical transmission structures, I'm exhausted

Jinzhengmeiyongde

17 Views