救护车发动机罩盖上标有逆序反向字母的“ambulance”字样。
Ambulances have 'AMBULANCE' printed in reverse on their bonnets.
发动机配件类：齿轮室、气门室罩盖、 链轮室罩盖、预热器座、水泵泵盖、进气歧管、泵箱；
Engine fittings series:Gear chamber, Cavaera cover, Sprocket rooms cover, Preheaterbase, Water pump Cover, Intake manifold, Pump box.
建立了一套汽车发动机缸盖罩盖镁合金压铸件外观质量的评定系统。
An evaluation system for the surface quality of magnesium alloy die castings was established based on an automobile cylinder head cover component.
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