单词 | gravity-feed |
释义 | ˈgravity(-)feed, n. [feed n. 5. Cf. prec.] A supply system that makes use of gravity to maintain the flow of material; the supplying of material in this way. Also attrib.
1914Programme Isle of Man Tourist Trophy Races 9/1 Either gravity or pressure feed may be used. 1925A. W. Judge Carburettors 142 The three systems of fuel supply used on motor vehicles are as follows: (1) The Gravity Feed. (2) Pressure Feed. (3) Vacuum Feed. 1934Aircraft Engin. Nov. 286/1 The simplest form of petrol system is one employing direct gravity feed to the engine. 1961Listener 12 Oct. 583/2 A more automatic type is the gravity-feed boiler, generally using a special grade of small anthracite. 1964S. Crawford Basic Engin. Processes (1969) xi. 246 Molten metal at the correct temperature is poured from a ladle under gravity feed into a split metal die. |

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