steel spring undercarriage钢簧: steel spring起落架: alighting carriage; landing ...起落架: [航空] alighting carriage; landing gear; alighting gear; undercarriage 起落架放下 gear down; landing gear lowering; 起落架收起 wheels-up; 起落架收上 gear up; landing gear raising （飞机的）起落架: landing gear鼻轮起落架: nlg nose landing gear下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:钢簧起落架，即可在微信中查询翻译
