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.
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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