| 单词 | power–weight ratio |
| 释义 | > as lemmaspower–weight ratio power–weight ratio n. = power-to-weight ratio n. ΘΚΠ the world > matter > physics > electromagnetic radiation > electricity > electrical engineering > motor > [noun] > power ratio power–weight ratio1831 power-to-weight ratio1937 1831 Engineering 9 Jan. 58/3 Volumetric efficiency is important..in that it affects the power-weight ratio of an engine. 1950 Times Rev. Industry Sept. 25/2 The Swiss Federal Railways has improved the power-weight ratio of single-phase mainline types [of locomotives]. 1976 J. Lukasiewicz Railway Game 69 In view of large power/weight ratio and high adhesion, electric locomotives have small axle loadings. < as lemmas |
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