• 飞机工程师多年探索使用轻质强化碳纤维塑料代替金属部件

    Aircraft engineers have for years sought to replace metal components with lightweight plastics reinforced with carbon fibres.

    youdao

  • 飞机工程师多年探索使用轻质强化碳纤维塑料代替金属部件

    Aircraft engineers have for years sought to replace metal components with lightweight plastics reinforced with carbon fibres.

    youdao

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