按说皮带已经完全革化，真能吃吗？就算能吞咽，耗费的燃料应该会很可观吧？当时的条件能负担？

来源: obama_北美101 于 2023-12-18 11:45:35 [旧帖] [给我悄悄话] 本文已被阅读：次

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