swivelling undercarriage【航】
【生活】起落架（框架）
undercarriage, frame
暂无补充释义。
相关词条
undercarriage
bicycle gear【航】;bicycle undercarriage【航】;
undercarriage, propelled
travelling carriage (undercarriage)
two-skid undercarriage【航】
undercarriage, adjustable in height
undercarriage with telescoping legs for apparatus