Afar tilmaame oo go'aamiya waxqabadka heerkulka sare ee walxaha dib-u-celinta
Inta lagu jiro isticmaalka walxaha dib-u-soo-celinta, si fudud ayaa loo dhalaaliyaa oo loo jilciyaa jirka, kiimikaad, farsamaynta iyo saamaynta kale ee heerkulka sare (guud ahaan 1000 ~ 1800 ° C), ama waxaa nabaadguura nabaad guurka, ama dildilaaca iyo dhaawaca, taas oo joojisa hawlgalka. Con...
eeg faahfaahinta