Granite yog ib qho ntawm cov khoom siv nrov tshaj plaws siv rau lub hauv paus ntawm cov duab ua cov khoom siv xws li kev sib koom tes ntsuas tshuab, laser scanners thiab optical profiling systems.Qhov no yog vim granite yog ruaj khov, nruj, thiab tiv taus hnav thiab tsim kua muag, whi ...
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