周一的召回声明全世界270,000辆雷克·萨斯将更换气门弹簧，这是一个发动机的至关重要的组件，其在某些型号存在瑕疵并可引起熄火。
The recall announced Monday of 270,000 Lexus vehicles worldwide will replace valve springs, a crucial engine component, that are flawed and could cause stalling in some models.
这里描述的节气门体组件使用的铝铸件。
Throttle Body Assemblies described here use an aluminum casting.
并以摩托车发动机气门装配组件的装配为算例，证明本文提出的算法是完全可行的。
The algorithm is approved feasible through the application to the assembly of a motorcycle engine.
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