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所属栏目：科技之光
所属频道：CCTV-10科教
年份：2011
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简介：讲述了最初诞生的军用潜水艇，它里面非常狭窄，并用脚踩动踏板前进，人只能在里面呆25分钟。后来随着技术上的创新诞生了新的潜水艇。收起
潜水艇（下） 科技之光 20101010
潜水艇（上） 科技之光 20101009
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