单词	timing chain
释义	timing chain noun plural timing chains : a chain that connects the camshaft and the crankshaft in a vehicle engine (such as in an automobile) and coordinates the opening and closing of the engine's valves Much older vehicles will have a timing chain instead of a timing belt … . Timing chains have a much longer lifespan and generally do not need to be replaced. Melissa Thompson … a timing chain is that part of a vehicle's internal combustion engine that drives the cams and operates the valves that feed fuel into the combustion chambers and extracts spent gases from them. Joey Bernardez compare timing belt Word History First Known Use 1912, in the meaning defined above
随便看	additive inverse additive manufacturing additive primary additively additives additivities additivity additory addle addle-headed addlebrained addled addlepate addlepated addler addles addlest addling addlings addlins addn addnl addorsed addossed addra

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