单词 | water-jet propeller |
释义 | > as lemmaswater-jet propeller water-jet propeller n. a mechanism by which a jet of water is ejected backwards from a boat or ship as a means of propulsion. ΘΚΠ society > occupation and work > equipment > machine > parts of machines > parts which provide power > [noun] > propeller > driven by water water jet1843 water-jet propeller1843 1843Water-jet Propellers [see sense 2]. 1908 Nature 29 Oct. 660/1 The characteristics and relative efficiencies of water-jet propellers, paddle wheels, and screw propellers are discussed. 2013 UPI Newswire (Nexis) 20 Sept. Speed of the 76-foot craft is more than 20 knots through two MAN 809 kW diesel engines using waterjet propellers. < as lemmas |
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