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凯氏声波导盲仪介绍光碟
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莱斯里.凯博士告诉我,我是世界上第一个购买这个小小传感器的人。我已经使用它一年了。因为凯氏声波导盲仪为我提供的方便,我必须说“向莱斯里.凯和拉芮莎.车斯诺科娃致敬!”我真心感谢你们带给世界的这个能买得起的科技。多谢了。
Dan Keys 加洲