由于液压挺杆自动调节气门间隙为零间隙，同时可降低发动机噪声。

Because the hydraulic valve plunger automatic control valve clearance is zero gap, simultaneously may reduce the engine noise.

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安装液压气门挺杆。

Install the hydraulic valve tappets.

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利用液压挺杆内部独特的结构设计，可自动调节配气机构传动间隙、传递凸轮升程变化、准时开闭气门。

Using hydraulic valve plunger interior unique structural design, but automatic control timing mechanism transmission gap, transmission lift of CAM change, punctual make and break tire valve.

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