氧化铝 坩埚
1元
氮化硼 坩埚
坩埚
W Tungsten crucible
Ta Steamed boat
Mo crucible
Mo Steamed boat 315 310 210
W Steamed boat(210)(310)
99.9% Cr wire
W Tungsten basket (漏斗状/弹簧状/直筒状)
倒角
99.99% 价格以当日报价为准
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