• 金属极板深度刻蚀从而极大地扩展了表面面积

    The metal plate is also deeply etched so as greatly to increase its surface area.

    youdao

  • 金属极板深度刻蚀从而极大地扩展了表面面积

    The metal plate is also deeply etched so as greatly to increase its surface area.

    youdao

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