A333 Qib 6 steel yeeb nkab yog cov yeeb nkab steel ua haujlwm tshwj xeeb tsim rau qhov chaw kub tsawg. Nws tuaj yeem tswj cov khoom siv zoo thiab lub cev muaj zog raws li cov kev mob kub tsawg los xyuas kom muaj kev nyab xeeb thiab txhim khu kev qha rau hauv qhov kub txias engineering.
