板垣先生从1981年加入TDK以来至2004年,一直担任铁氧体磁芯项目的工程师。
He Joined TDK in 1981, and he started his career with TDK as an engineer of Ferrite Cores until the year of 2004.
板垣先生从1981年加入TDK以来至2004年,一直担任铁氧体磁芯项目的工程师。
He Joined TDK in 1981, and he started his career with TDK as an engineer of Ferrite Cores until the year of 2004.
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