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

txo NVH thiab hlau poob ntawm kev tsav tsheb ntawm lub zog tshiab thiab txhim kho kev ua haujlwm; Lub sijhawm kho ntawm

ibib tug hlau core yog 4-8min, uas yog yus muaj los ntawm ceev ceev, tsis muaj nqi thiab luv luv txoj kev loj hlob voj voog.

Tsis siv neeg ntau lawm kab khoom siv thiab qhov chaw ntawm cov khoom