Cov khoom lag luam
FERRO VANADIUM yog qhov tseem ceeb tshaj plaws uas txhawb nqa cov khoom siv hluav taws xob haum rau ntau yam kev siv hluav taws xob haum rau ntau yam kev pab cuam lub zog Kev muab cov khoom lag luam zoo ib yam li kev siv hluav taws xob, thiab kev tsim kho kom haum rau kev ua kom muaj zog ntxiv rau kev ua kom muaj zog Thiab cov cua sov kuj muaj txiaj ntsig zoo hauv kev tsim khoom lag luam rau cov tshuab ua haujlwm, thiab lwm yam kev ua haujlwm tseem ceeb {6} Lub peev xwm hauv cov khoom siv sciess {}}

Tom qab Kev Pabcuam Muag

24 teev lub sijhawm teb, teb kom sai thiab muab cov kev daws teeb meem
Cim npe nrov: FEV: Tsav tshiab hauv cov hlau alloys, Tuam Tshoj FEV: Tsav tsheb tshiab hauv cov hlau alloys cov khoom lag luam, cov chaw muag khoom, Hoobkas





