Hluav taws xob vuam net feem ntau yog siv nyob rau hauv lub tsev tsim, yug me nyuam qaib pigeon luav tawb, sam thiaj tiv thaiv, tshuab ntaub thaiv npog, paj guardrail thiab thiaj li nyob.Raws li lub vuam aperture, hlau txoj kab uas hla yog txawv, kev siv hluav taws xob vuam net khoom txawv, xws li: lub ...
Nyeem ntxiv