The Characteristic of Air Raids on North Vietnam Made by the US Army and the Militant Experience Accumulated by the Chinese Air Defence Forces Aiding Vietnam是什么意思_The Characteristic of Air Raids on North Vietnam Made by the US Army and the Militant Experience Accumulated by the Chinese Air Defence Forces Aiding Vietnam在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句