美台打造无人机“蜂巢”，能否绕开中国供应链？
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2:39
Credit: 自由亚洲电台
台湾想用无人机防御中国，却可能还要靠中国零件才能飞。马达、电芯等关键环节难以替代，未来三至四年将成为台湾无人机供应链的风险窗口。
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