Qib ntawm lub zog ntawm qhob
Raws li cov qauv tsim nyog, qib zog ntawm cov ntaub ntawv hauv tsev yuav tsum tshaj tawm lub npe ntawm cov khoom ntxiv nrog nws lub zog tus qauv. Yog li ntawd, Cov Qhob Qib muaj zog tau muab faib ua C10, C15, C20, C25, C30, C35, C40, C45, C50, C55, C60, C65, C70, C75 thiab C80 los ntawm cov cim C (ntawv luv luv ntawm qhob) thiab tus qauv tus nqi ntawm lub voos xwmfab compressive zog.
