The relevant organizations involved usually include absorbing system, undercarriage tyre, brake slip resistance system, landing gear shimmy dampers, retracting-lowering system, etc.
无人机起落架设计所涉及的相关构件、机构通常包括：缓冲支柱、机轮、轮胎、刹车防滑系统、操纵减摆机构、收放机构等。
China is targeting no earlier than 2025 for manned lunar landing. Considerin? G their tardiness so far in carrying out their ambitious 2011 manifest, that schedule could slip. The u.
中国的载人登月计划不会早于2025。考虑到其2011公布的关于实现其航天雄心壮志的延迟状况，该计划可能流产。
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