| 单词 | air-fuel ratio |
| 释义 | air-fuel ratio in Automotive Engineering (ɛər fyuəl reɪʃoʊ) Word forms: (regular plural) air-fuel ratios noun (Automotive engineering: Vehicle components, Engine, transmission, and exhaust) The air-fuel ratio or air-fuel delivery ratio is the ratio of air to fuel that is taken in by an engine. The engine allows for a particularly low air-fuel ratio during warm-up to reduce emissions of unburned fuel. The electronic control unit recalculates the air-fuel ratio for the most efficient operation. The manual explains how to adjust the air-fuel ratio on a fuel injection system. |
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