复合掺杂材料
compositely doped material
细晶掺杂石墨
Fine grained doped graphite
Fine-grained Doped graphite
含硼T641石墨材料
T641 graphite material with boron
浸渍石墨材料
impregnated graphite materials
Graphite material impregnated
炭石墨材料
carbon and graphite materials
carbon graphite materials
Carbon graphite
碳和石墨材料
carbon and graphite material
碳石墨材料
carbon graphite materials
铜石墨材料
copper graphite material
copper-graphite materials