Muab xam los ntawm cov hlau stairs tig 180 degree thiab bowstring zigzag
Xaiv lub qhov ntev yuav tsum nyob rau hauv millimetres
X - aperture dav ntawm stairs
Y - Aperture siab
W - Dav ntawm stairs
E - Dav ntawm platform
F - Cov kauj ruam qhia
T - tus nab npawb ntawm cov hlua
C - Cov nab npawb ntawm cov kauj ruam
Z - Thickness ntawm cov kauj ruam
A - Lub thickness ntawm ib bowstring
G - Dav ntawm ib bowstring
SP - Seb lub chaw ntawm cov thawj teeb relative to txog qib uas hauv pem teb hauv pem teb ob.
LR - Teev uas muaj cov nqa. Rau cov kauj ruam drawing.
Nta ntawm qhov kev pab cuam.
Muab xam loj, me kab ntsab, steel stairs uas tig hauv 180 degrees.
Khom cov nqi ntawm cov khoom tawg yooj yim.
Lub caij nyoog qhov ntev ntawm tes taw.
Xav paub cov drawings thiab schematics txog txhua yam cov hlau stairs.