2030年开始进行大规模辅助制造，如整个飞机(及建筑物)的3d喷涂技术。
Additive manufacturing used in a big way starting in 2030 for things like 3d printing of entire airplanes (and buildings).
2030年开始进行大规模辅助制造，如整个飞机(及建筑物)的3d喷涂技术。
Additive manufacturing used in a big way starting in 2030 for things like 3d printing of entire airplanes (and buildings).
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