Cov hlau nplaum ruaj khov yog qhov kev xaiv zoo tshaj plaws rau kev sib tsoo thiab tig. Nws tuav lub zog txog li 160 N/cm2 ua kom ruaj khov clamping ntawm txawm tias cov khoom me me thiab nyias. Koj yuav nruab nrab qhov ua haujlwm raws qhov sib nqus chuck yooj yim ua tsaug rau kev tswj hwm maj mam ntawm kev tuav lub zog. Cov ciaj ntswj rab rawg tau xa tawm tshiab hloov qhov qub Allen qhov tseem ceeb los pab txhawb koj txoj haujlwm.
