飞机、假牙、航天器，这些都用上了增材制造？！（下）【有奖】

留言有奖！如果拥有一次机会，你最想用增材制造技术制造什么呢？在节目下方留言，写下你的想法吧！主播为前十名留言者准备了精美礼品——冬日必备“小西”暖手抱枕！

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飞机、假牙、航天器，这些都用上了增材制造？！（下）【有奖】

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