单词 | idle speed |
释义 | idle speed in Automotive Engineering (aɪdəl spid) noun (Automotive engineering: Vehicle components, Engine, transmission, and exhaust) The idle speed of an engine is its speed when it has no load and is on a minimum throttle setting. The idle speed is high when the truck is cold. When you stop at the traffic lights, or when you disengage the clutch to change thegears, the engine works in idle speed. A cold motor requires a different air-fuel mixture to run properly, and because ofthis, the idle speed must be higher during cold engine operation. |
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