Kufotokozera mwatsatanetsatane wathunthu pamwamba khumi kutchinjiriza zipangizo refractory
Ma refractories otenthetsera matenthedwe amatanthawuza ma refractories okhala ndi porosity yayikulu, kachulukidwe kakang'ono kwambiri, komanso kutsika kwamafuta, komwe kumadziwikanso kuti ma refractories opepuka. Kuphatikizira zinthu zotchingira kutentha zotchingira kutentha, ma refractory fibers, ndi zinthu za refractory fiber. A...
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