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The YF-23 is a liquid rocket vernier engine, burning N2O4 and UDMH.〔 It is used in along the YF-22 to form the YF-24 and YF-25 propulsion modules.〔〔〔〔 ==Versions== The basic engine has been used since the Feng Bao 1 rocket and has been the vernier propulsion of the Long March 2, Long March 3 and Long March 4 families second stage.〔〔〔 * YF-23: Original version. * YF-23B (AKA DaFY21-1): Improved version.〔〔〔 * YF-23F: Improved version.〔 抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「YF-23 (rocket engine)」の詳細全文を読む スポンサード リンク
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