• 方法使用电热干燥箱热源密度计测量胶片上各级密度

    Methods: to employ an electrothermal drier as a heat source and measure density of grey scale in film with a densitometer.

    youdao

  • 方法使用电热干燥箱热源密度计测量胶片上各级密度

    Methods: to employ an electrothermal drier as a heat source and measure density of grey scale in film with a densitometer.

    youdao

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