undercarriage
柯林斯词典
1. N-COUNT The undercarriage of an aeroplane is the part, including the wheels, which supports the airplane when it is on the ground and when it is landing or taking off. (飞机的)起落架[英国英语]
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1. N-COUNT The undercarriage of an aeroplane is the part, including the wheels, which supports the airplane when it is on the ground and when it is landing or taking off. (飞机的)起落架[英国英语]