录像机放像时不能正常放像，指示窗口出现“d”指示，则表示录像机( ) - 查题网

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成人高等教育 / 现代教育技术

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录像机放像时不能正常放像，指示窗口出现“d”指示，则表示录像机( )

A、
有机械或电路故障
B、
录像带坏
C、
处于自动保护磁头状态
D、
太热

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现代教育技术

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