| 单词 | landing gear |
| 释义 | > as lemmaslanding gear landing gear n. (a) Aeronautics the structure underneath an aircraft that is designed to support it on the ground and to absorb the shock of landing (in modern aircraft made to be retracted in flight); (b) the retractable support at the front of a semi-trailer that supports it when not attached to the tractor. ΘΚΠ society > travel > air or space travel > a means of conveyance through the air > aeroplane > parts of aircraft > [noun] > landing gear alighting gear1908 landing gear1911 undercarriage1911 gear1931 undercart1934 tricycle undercarriage1937 main gear1958 society > travel > means of travel > a conveyance > vehicle > powered vehicle > motor lorry, truck, or van > [noun] > truck or lorry > articulated lorry > trailer or types of trailer > parts of trailer landing gear1911 outrigger1981 1911 Rep. & Mem. Advisory Comm. Aeronaut. No. 59. Nov. 103 The efficiency of landing gear on various sorts of ground may be tried. 1931 Flight 9 Jan. 30/1 The landing gear is designed to give very smooth landing and taxying characteristics. 1931 J. E. Younger Airplane Constr. & Repair iii. 48 Some airplanes are designed with landing gears which fold up into the fuselage and hence offer no direct wind resistance. 1951 Amer. Speech 26 308/2 Landing gear, a strong support that holds up the front end of a semi-trailer when it is not attached to a tractor. 1971 M. Tak Truck Talk 97 Landing gear, the retractable supports on a trailer that prop up the front end when the trailer is unhitched from the tractor. 1971 Physics Bull. Apr. 217/1 Steels with improved fracture properties needed in nuclear submarines and aircraft landing gear are also under development. < as lemmas |
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