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3d打印笔VS热熔胶枪，看了这个视频你就知道3d打印没有那么神秘
可以把3d打印笔理解为电动缩小版的热熔胶枪，把它俩都拆了对比下
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App03:02可以把3d打印笔理解为电动缩小版的热熔胶枪，把它俩都拆了对比下
App11:25App05:58App09:37App14:14App08:57App04:37App01:39App08:57App05:40App04:19App04:03App03:07App06:06App03:02
