Peb lub tuam txhab tau nyob rau hauv caij nplooj ntoo hlau xaim lag luam ntau tshaj kaum xyoo, peb yog cov kev paub thoob ntiaj teb, kev ua haujlwm, thiab peb tau
Txheem: GB / T8731-2008
Hom: Y20
Cov Khoom Lag Luam: Round pas nrig, hexagonal pas nrig, square pas, square pas, cov khoom siv puab
Dawb Txiav Hlau Rau Kev Siv
Feem ntau siv nyob rau hauv kev tsim cov tshuab tseem ceeb, cov khoom siv, cov pob txha, cov pob qij txha, cov khoom lag luam thiab tshuab cuab tam.
Tshuaj Muaj Tshuaj
C: 0.17 ~ 0.25
P: 0.06
S: 0.08 ~ 0.15
Chaw tsim khoom | Phiaj suav | Khoom | Y20 |
Kev Pabcuam Ua Haujlwm | Kev qhia tshwj xeeb | ||
Khoom Ntawm Cov Khoom Piav Qhia | Kev siv |
Hot Tags: , Yooj Yim Txiav Hlau Y20 Chaw Ua Haujlwm Polishing Rod Me Met Met Met Met Rod Txias Sib Tsoo Hlau , Chaw tsim tshuaj paus, Hoobkas, khoom xa khoom