| 单词 | pump-turbine |
| 释义 | > as lemmaspump-turbine pump-turbine n. Engineering a machine designed to operate as a pump running in one direction or a turbine running in the other. ΘΚΠ society > occupation and work > equipment > machine > machines which impart power > turbine > [noun] > other turbines water turbine1859 impulse turbine1880 wind turbine1909 impulse-reaction turbine1929 pump-turbine1934 1934 H. K. Barrows Water Power Engin. (ed. 2) iii. 179 The Baldwin-Southwark Corporation..with the General Electric Company, have recently developed a combined pump-turbine operated by a two-speed motor generator for such plants, model tests of which indicate relatively high efficiencies when acting as either a turbine or a pump. 1977 Time 17 Jan. (verso front cover) (advt.) Bill has no idea that the six reversible pump-turbine generator-motors that now supply his area with low-cost electricity were made by Hitachi. 2002 Jrnl. Econ. Dynamics & Control 27 110 The capital inputs—viz., the reservoir and the converter or ‘pump-turbine’—have definite and separate marginal values. < as lemmas |
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