Cov Khoom Siv Ntim Khoom Uas Yooj Yim
Ob Sab Sab Kub-Sealing Zaj Duab Xis
Kev Taw Qhia Khoom:
Cov yeeb yaj kiab no pob tshab, ci ntsa iab thiab ruaj khov heev. Nws muaj kev ua haujlwm zoo heev rau kev kaw thaum kub, ua rau kaw tau sai.
Cov Ntawv Thov Khoom:
Siv rau hauv kev ntim khoom noj, tshuaj, khoom siv niaj hnub, khoom siv hauv chaw ua haujlwm, nrog rau cov khoom siv hluav taws xob, cov khoom ua si, thiab khoom plig.
Cov Lus Qhia:
- **Tuab**: 18-40μm
- **Dav**: Feem ntau 400-2000mm; tuaj yeem hloov kho raws li qhov xav tau tshwj xeeb.