| 单词 | controllable-pitch |
| 释义 | > as lemmascontrollable-pitch controllable-pitch adj. Aeronautics and Nautical designating a propeller or screw such that the pitch of the blades can be adjusted while it is in operation. ΘΚΠ society > travel > air or space travel > a means of conveyance through the air > aeroplane > parts of aircraft > means of propulsion > [noun] > aircraft engine > propeller > types of propeller tractor1903 contrapropeller1927 controllable-pitch1929 fixed-pitch propeller1931 contraprop1940 propfan1970 propulsor1975 1929 Science 30 Aug. p. xii/2 The controllable pitch propeller is well worth the added cost for many types of airplane. 1991 Ship & Boat Internat. Apr. 21 (advt.) Sole UK agents for Hundested controllable pitch propellers. 2009 H. A. Skaarup Canad. Warplanes i. 392 Later models used a three-blade duralumin bracket-type controllable-pitch airscrew. < as lemmas |
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