| 单词 | lean-burn |
| 释义 | > as lemmaslean-burn lean-burn adj. designating, pertaining to, or having an engine designed to run on a lean mixture (see sense A. 4g above) and so to cause less pollution. ΘΚΠ society > travel > means of travel > a conveyance > vehicle > powered vehicle > [adjective] > of or relating to motor vehicles > relating to engine recon1946 fuel-injected1963 lean-burn1975 1975 Chem. Week 9 Apr. 30/3 Chrysler plans to convert its largest cars to ‘lean-burn’ engines that don't require catalysts. 1984 Daily Tel. 7 Sept. 9/1 In future motor car engines should be based upon ‘lean burn’ technology. 1985 Sunday Tel. 16 June 33/3 Ford has an engine that is lean-burn to a certain degree in the new Granada 1800. 1986 Autocar 26 Nov. 78/4 The only truly lean-burn car on sale. 1990 C. Rose Dirty Man of Europe (1991) vi. 172 While lean burn engines produce lower quantities of hydrocarbons and carbon monoxide, they reduce NOx by only about 50 per cent. < as lemmas |
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