Cov "kev kho sai sai" cov txheej txheem ua ke tsim nrog Baosteel hloov cov qub hlau thiab cov txheej txheem riveting, uas tuaj yeem ua tau

txo cov NVH thiab hlau poob ntawm kev tsav lub zog ntawm lub zog hluav taws xob tshiab thiab txhim kho kev ua haujlwm;

a ib qho tub ntxhais hlau yog 4-8min, uas yog tus cwj pwm los ntawm kev ceev, tsis muaj nqi thiab kev voj voog luv.

                 Tsis siv neeg cov kab ntau lawm cov khoom siv thiab cov khoom seem