金剛(gang)(gang)石粉,立(li)(li)方氮化(hua)硼(peng)粉,金剛(gang)(gang)石聚晶,金剛(gang)(gang)石,立(li)(li)方氮化(hua)硼(peng)復合片。Industrial diamond, CBN (Cubic Boron Nitride), PCD and PCBN
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