现代汽车发动机，尤其是轿车发动机，已普遍采用有液力间隙调节器（HLA）的气门机构。
The valve mechanism with hydraulic lash adjuster(HLA)has generally used in the modern automotive engine, especially in the car engine.
直动式气门机构液压间隙调节器(HLA)，由于结构紧凑、气门机构传动链短，难以实现动态测量。
It is difficult to realize dynamic measuring for valve mechanism with a direct action type hydraulic lash adjuster (HLA) due to its compact structure and shorter driving chain of valve mechanism.
对一个有直动式液压间隙调节器(HLA)的气门机构进行了试验和动力学计算分析。
Experimen and dynamic analysis of a valve train with hydraulic lash adjuster (HLA) were reported.
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