Thaum lub sij hawm smelting txheej txheem, vim tsis yog batching los yog loading, raws li zoo raws li ntau decarburization, tej zaum cov ntsiab lus carbon nyob rau hauv cov hlau tsis tau raws li qhov yuav tsum tau ntawm lub ncov lub sij hawm.Lub sijhawm no, carbon yuav tsum tau ntxiv rau cov kua dej steel.Feem ntau siv carburetors yog npua ir ...
Nyeem ntxiv