4292| 14
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激光成形飛機(jī)機(jī)身鈦合金整體加強(qiáng)框 |
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點(diǎn)評
呵呵,我也不是很了解,只知道是中國自己開發(fā)的3D打印機(jī)技術(shù)生產(chǎn)的航空零件產(chǎn)品。
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