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Khoom npe: Dawb txiav hlau 1144

kev siv

Siv raws li tig hlau, siv dav hauv cov txheej txheem.

Tshuaj lom neeg cov tshuaj:

Cov pa roj carbon C: 0.40 ~ 0.48

MANMANESE MN: 1.35 ~ 1.65

Sulphur S: 0.24 ~ 0.33

                

Chaw tsim khoomPhiaj suavKhoom1144
Txias kosKev qhia tshwj xeeb
Khoom Ntawm Cov Khoom Piav QhiaCi / dub tawvKev siv



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