HR15B fasali tungsten carbide faranti: m hatsi size, high taurin, ƙarfi da taurin, zafi juriya, lalata juriya, m modulus na elasticity, high matsawa ƙarfi, mai kyau sinadaran kwanciyar hankali (acid, alkali, high zafin jiki hadawan abu da iskar shaka), low coefficient na fadada, da...
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