Granite yog ib lub pob zeb uas tshwm sim tshwm sim los ntawm cov zaub mov xws li feldspar, quartz, thiab mica.Nws yog lub npe hu rau nws cov durability, lub zog, hardness, thiab muaj peev xwm tiv taus puas thiab kub.Nrog cov khoom zoo li no, granite tau pom nws txoj hauv kev rau kev tsim khoom indus ...
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