| 单词 | power assist |
| 释义 | > as lemmaspower assist power assist n. originally North American = power assistance n.; cf. assist n. 1b. ΘΚΠ the world > matter > physics > energy or power of doing work > [noun] > capacity for exertion of mechanical force > as distinguished from hand-labour > assisting manual operation power assist1954 power assistance1959 1954 Life 19 Apr. 16/2 (advt.) And to take the ‘drive’ out of driving, Ford offers five modern power assists. 1967 Automotive World Apr. 22/2 The conventional hydraulic brakes are still effective, even when the power assist from the vacuum system fails. 1994 Diplomat & Internat. Mar. 19/3 The steering is speed sensitive, whereby power assist slightly decreases as speed increases. < as lemmas |
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