核心的瓶颈首先在于精度问题。目前技术虽然在不断进步，但在打印精细结构或大尺寸零件时，依然难以达到高精度装配所需的公差要求及优秀的表面质量要求，这直接导致了打印件难以直接作为最终功能部件使用。
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I wish I’d approached retailers and distributors sooner. Early self-doubt and the quest for perfection held me back — but they shouldn’t stop you from taking action.。关于这个话题，Line官方版本下载提供了深入分析
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How to watch: Monarch: Legacy of Monsters Season 2 premieres Feb. 27 on Apple TV.