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超轻松下SJ-MR220在这个热辣辣的暑假里ＭＤ市场可谓火热异常， 生产商索尼与松下竞相角逐轮番上场。你看索尼稍作停顿，松下就率先推出堪称全球最小的ＨＤ ＷＡＬＫＭＡＮ—ＳＪ－ＭＲ２２０。这款ＭＤ不仅是小那么简单，更值得称道的是它的播放时间和录音时间均超长。最长放?
Super easy SJ-MR220 in this hot summer vacation in the MD market can be described as hot anomaly, manufacturers Sony compete with Matsushita contested play. You see a little pause Sony, Panasonic was the first to launch called the world’s smallest HD WALKMAN-SJ-MR220. This MD is not only small and simple, but also commendable that it has a long playing time and recording time. The longest release?