2) Daim ntawv cog lus tsis pub lwm tus paub tuaj yeem kos npe
3) Xya hnub rov qab lav
Tseem ceeb tshaj: peb tuaj yeem muab tsis tau tsuas yog cov khoom lag luam, tab sis kev pabcuam kev daws teeb meem!
Yam khoom | Chemical Composition (%) | Particle Loj | ||||||||||||
B | Al | P | S | Si | Fe | C | ||||||||
AlB 2 | 45 | Bal. | 0.03 ib | 0.02 ib | 0.01 ib | 0.15 | 0.01 ib | 5-10 hli |