已安装过和已放入蓝光格式光盘时不能播放有关演示注演示也播放不到那光盘还能读吗
The presentation cannot be played when it has been installed and placed on a Blu-ray disc Note The presentation cannot be played either. Can the disc still be read
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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