由于表面粗糙、精度不足等问题，金属件打印完成后须经历一系列复杂后处理流程，其中成本主要集中在打磨、抛光等表面精加工流程。更值得关注的是，目前大量后处理环节仍依赖人工操作。这不仅意味着高昂的人力成本，还存在重复性劳动导致的人员疲劳、效率波动以及质量一致性难以保证等问题。
"This is a time when you think, 'Thank God the US doesn't have a state-owned oil company,'" she says. "They need the private sector, but for the moment, the private sector isn't budging. And what company in their right mind is going to put money into Venezuela?"
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Мощный удар Израиля по Ирану попал на видео09:41
2026-02-26 17:00:00