Xov xwm kev lag luam
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Carburant hauv Casting
PET coke thiab hluavtaws graphite hauv casting....nyeem ntxiv -
5 Txoj Kev Yooj Yim los txheeb xyuas Ceramic Nres Nres Nres?
Koj puas paub yuav ua li cas txheeb xyuas seb nws puas yog ceramic nres? Hauv qab no ncej, Peb yuav qhia koj 5 Txoj Kev Yooj Yim Qhia yog tias nws yog Ceramic Nres Nres los yog cuav ib qho los ntawm q...nyeem ntxiv
