花崗石T型槽平臺采用(yong)   “濟(ji)南青”石料經(jing)機(ji)械加工(gong)(gong)和手工(gong)(gong)精磨(mo)制成。黑色(se)光澤、結構(gou)，質地均勻，穩定性好，強度大(da)，，能在(zai)重(zhong)負(fu)荷(he)及一(yi)般溫底下保持，并且具(ju)有不(bu)生銹，，，不(bu)磁化、不(bu)變型等(deng)優點。適用(yong)于機(ji)械工(gong)(gong)廠(chang)的測(ce)量工(gong)(gong)具(ju)。