从造价上看，“便宜”的说法似乎不太有说服力。美国空军计划花费30亿美元采购75架OA-1K，单价高达4000万美元。相比之下，二手F-16都不需要这么贵，性能更好的“巨嘴鸟”也就是2000-2500万美元，即使是 MQ-9“死神”无人机 ...
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