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半绝缘半导体晶片电阻率的无接触测量方法
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锗粒
Germanium grain
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晶片正面系列字母数字标志规范
Specification for serial alphanumeric marking of the front surface of wafers
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硅抛光回收片
Polished reclaimed silicon wafers
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单晶炉碳/碳复合材料保温筒
Carbon/carbon composites heat insulation cylinder of single crystal furnace
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