fe silicon
1. Ntxiv nquag thiab npog thinly.
ferro silicon 65
2. Ua tib zoo saib xyuas qhov hluav taws kub txhua lub sijhawm thiab ntxiv cov khoom xyaw hauv lub sijhawm tom qab tuav qhov hluav taws kub.
3. Nyob rau hauv lub premise ntawm kev tuav lub khob hliav qab thiab cov khoom nto, simmer kom txog thaum cov hlau yog tapping thiab cov khoom siv rauv yog pounded, thiab ces rov ntxiv thiab simmered.
ferro silicon 72
