Lub ntsiab txawv txawv ntawm crimped thiab switation ua yog nyob ntawm kev teeb tsa. Cov qauv siv hluav taws xob sab nraud yog tias cov kab txaij txhuas thiab cov hlau taug txhuas sib txuas yog tias cov hlau taug kev txhais tau ncaj qha los ntawm cov pas dej ua si. Cov qauv hluav taws xob sab nraud feem ntau siv cov ntaub qhwv lub fiber ntau, tsis tsuas yog ua kom muaj kev tiv thaiv rwb thaiv tsev, tab sis kuj tseem yuav tiv thaiv feem ntau ntawm cov khoom khoov.
Lub Sijhawm Post: Sep-15-2023
