熔融石英坩埚 fused silica crucible

无坩埚区域熔融 zone melting without crucible

自成坩埚熔炼 autocrucible melting

耐熔金属坩埚 refractory metal crucible

再熔坩埚 remelt crucible

熔炼坩埚炉 coffin

坩埚熔铜炉 crucible brass melting furnace

冷坩埚熔炼 cold crucible melting

坩埚熔炉 crucible melting furnace ; crucible bath furnace

频率坩埚感应熔炼炉 frequency crucible induction melting furnace