着重介绍了本田公司的可变气门驱动机构VTEC的结构和工作原理。

It also introduces the VTEC structure and operating principles of the variable valve actuation adopted by Honda company.

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介绍了碟簧型气门旋转机构的结构设计要点，着重阐述了碟形弹簧应力的近似计算方法。

In this paper the construction and design knowledge of a disc spring type valve rotating mechanism are presented with the emphasis on the approximate calculations for the disc spring stress.

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本文介绍了一种新型的用于气门座圈密封带加工的镗车头，就其结构及工作过程做了较详细的阐述。

This paper introduces a new device of boring the valve-seat and gives the relatively detailed explanation of the device's structure and working-process.

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