Qauv stairs drawing

Theem

Luaj li cas ntawm cov kauj ruam

Qhov ntev ntawm ib bowstring

Qhov ntaub ntawv
The stairs rau nws 2500 hli
Qhov ntev ntawm tus stair qhib rau 3000 hli
Dav ntawm stairs 900 hli
Cov nab npawb ntawm cov kauj ruam 13
Thickness ntawm cov kauj ruam 50 hli
Cov kauj ruam qhia 50 hli
Lub thickness ntawm ib bowstring 60 hli

Tus nqi ntawm cov khoom rau ib bowstring 5390 hli
Ntawm lub kaum sab xis ntawm the stairs 39.8°

Luaj li cas ntawm cov kauj ruam
Nws txawj 192 hli
Le theem 281 hli
Nws yog podstupenka 142 hli
Cheeb tsam txhua theem 3.285 m²