Taw qhia rau cov txheej txheem ntws ntawm kev sib sib zog nqus nqus pwm

1. Nias cov khoom
Nyob rau hauv stretching tuag ua, nias yog thawj kauj ruam. Cov kauj ruam no tsuas yog xauv cov khoom siv hlau mus rau pwm los ntawm kev siv tshuab lossis phau ntawv txhais tau tias, kom ntseeg tau tias cov pwm tuaj yeem ua cov khoom siv hlau kom raug.
2. ncab
Stretching yog cov txheej txheem tseem ceeb ntawm kev ncab tuag, uas yuav tsum tau deformation tseem ceeb ntawm cov khoom siv hlau nias. Stretching feem ntau muab faib ua ntau qhov kev hla, thiab tom qab txhua qhov ncab, cov pwm yuav tsum tau kho ua ntej mus rau qhov txuas ntxiv.
3. Kaw
Tom qab ua tiav cov txheej txheem ncab zaum kawg, cov pwm yuav tsum tau ua tiav, thiab cov khoom siv hlau yuav tsum tau muab tshem tawm tam sim ntawd los ntawm pwm rau kev ua haujlwm tom ntej xws li txiav thiab tu.