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The Hughes Model 300 is an American three-seat version of the Hughes 269 light helicopter.
美国休斯300型是休斯269型的三座轻型直升机改进型。
youdao
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The Hughes Model 300 is an American three-seat version of the Hughes 269 light helicopter.
美国休斯300型是休斯269型的三座轻型直升机改进型。
youdao