1).黑金砂品質(zhì)堅硬,具有良好的抗壓耐磨、耐腐蝕等特性; 2).能保持若干年...
濟南青石材經(jīng)過機械加工和手工精磨制成,黑色光澤,結(jié)構(gòu)精密,質(zhì)地均勻,強...
濟南青石材經(jīng)過機械加工和手工精磨制成,黑色光澤,結(jié)構(gòu)精密,質(zhì)地均勻,強...
濟南青石材經(jīng)過機械加工和手工精磨制成,黑色光澤,結(jié)構(gòu)精密,質(zhì)地均勻,強...
濟南青石材經(jīng)過機械加工和手工精磨制成,黑色光澤,結(jié)構(gòu)精密,質(zhì)地均勻,強...
濟南青石材經(jīng)過機械加工和手工精磨制成,黑色光澤,結(jié)構(gòu)精密,質(zhì)地均勻,強...