品名：铌螺丝 铌螺母 铌加工件 铌坩埚 铌离子注入件
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牌号：NB1 NB2
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特性：具有熔点高、耐腐蚀性、超导电性等
----------------------------------------------------------------------------------------------------------------------------------------
密度：8.6
---------------------------------------------------------------------------------------------------------------------------------
铌含量：99.95%
品名：铌螺丝 铌螺母 铌加工件 铌坩埚 铌离子注入件
----------------------------------------------------------------------------------------------------------------------------------------
牌号：NB1
----------------------------------------------------------------------------------------------------------------------------------------
特性：具有熔点高、耐腐蚀性、超导电性等
----------------------------------------------------------------------------------------------------------------------------------------
密度：8.6
---------------------------------------------------------------------------------------------------------------------------------
铌含量：99.95%