HiddenLayer555@lemmy.ml to Videos@lemmy.worldEnglish · edit-24 个月前Why don't railroads need expansion joints?www.youtube.comexternal-linkmessage-square37linkfedilinkarrow-up1111arrow-down17file-textcross-posted to: [email protected][email protected][email protected]
arrow-up1104arrow-down1external-linkWhy don't railroads need expansion joints?www.youtube.comHiddenLayer555@lemmy.ml to Videos@lemmy.worldEnglish · edit-24 个月前message-square37linkfedilinkfile-textcross-posted to: [email protected][email protected][email protected]
Practical Engineering’s video on this is also really good: https://www.youtube.com/watch?v=zqmOSMAtadc
minus-squareRubberElectrons@lemmy.worldlinkfedilinkarrow-up6·4 个月前I’m glad people can see in 30 minutes a lot of the metallurgical and chemistry techniques I learned in my University days.
I’m glad people can see in 30 minutes a lot of the metallurgical and chemistry techniques I learned in my University days.