Qhov sib txawv ntawm Ferro Silicon Nitride thiab Silicon Nitride
Ferrosilicon nitride thiab silicon nitride suab zoo li ob yam khoom zoo sib xws, tab sis qhov tseeb, lawv yog qhov sib txawv. Kab lus no yuav piav qhia qhov txawv ntawm ob qho tib si los ntawm ntau lub kaum ntse ntse.
Nyeem ntxiv