Kev cai strip steel
Lus piav qhia luv luv:
Cov sawb hlau feem ntau yog muab rau hauv cov coils, uas muaj qhov zoo ntawm qhov siab qhov tseeb, qhov zoo ntawm qhov zoo, ua haujlwm yooj yim, cov khoom txuag thiab lwm yam.Ib yam li cov hlau phaj, cov sawb hlau tau muab faib ua cov sawb zoo tib yam thiab cov hlau zoo zoo raws li cov khoom siv;Raws li cov txheej txheem ua, nws tau muab faib ua cov kab kub dov thiab txias-dov strip.
