然而，更鲜为人知的是，目前盟军正在使用的阿波罗战斗机是经过了好几次投标和更改设计才定下来的。

However, a little-known fact is that the Apollo underwent several bids and design iterations before the Allies finally accepted the model currently in use.

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然而，更鲜为人知的是，目前盟军正在使用的阿波罗战斗机是经过了好几次投标和更改设计才定下来的。

However, a little-known fact is that the Apollo underwent several bids and design iterations before the Allies finally accepted the model currently in use.

youdao