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1·The valve lifter, a round cylinder, rides on the CAM.

气门挺杆为一圆筒体，坐落在凸轮上。

2·The value-opening mechanism includes a valve lifter and a CAM on a camshaft.

一套气门开启机构包括一个气门挺杆和一个在凸轮轴上的凸轮。

3·The value-opening mechanism includes a valve lifter and a cam on a camshaft .

一套气门开启机构包括一个气门挺杆和一个在凸轮轴上的凸轮。

4·The lobe on the CAM controlling the intake valve has moved out from under the valve lifter.

控制进气阀的凸轮上的凸角在阀挺柱向下回转。

5·After the CAM lobe moves out from under the valve lifter, the valve spring forces the valve up onto its seat again.

当凸轮的凸角在凸轮挺杆下出现时，它推动凸轮挺杆向上运动(离开凸轮轴)。

6·As the camshaft turns, the CAM lobe comes around under the valve lifter. This raises the lifter, which in turn pushes upward on the push rod.

当凸轮轴转动时，凸轮凸角转到气门挺杆下面，使挺杆上举，挺杆推动推杆。