研究人员由法国航空航天供应商赛峰集团可能被拉开，并使用3D打印机复制提供了一个古老的辅助动力的燃气涡轮发动机。
Researchers were provided an old auxiliary powered gas turbine engine by French aerospace supplier Safran that could be pulled apart and copied using a 3D printer.
研究人员由法国航空航天供应商赛峰集团可能被拉开，并使用3D打印机复制提供了一个古老的辅助动力的燃气涡轮发动机。
Researchers were provided an old auxiliary powered gas turbine engine by French aerospace supplier Safran that could be pulled apart and copied using a 3D printer.
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