气门杆间隙过大会加速气门的积炭。
摇臂向下移动的那一边推动气门杆以打开气门。
The downward-moving side of the rocker arm pushes on the valve stem to open the valve.
气门过热或遭受重载（气门杆间隙过大或爆裂）均可造成气门破裂。
Valve Breakage. Any condition that causes the valve to overheat or to be subjected to heavy pounding (as from excessive tappet clearance or from detonation ) may cause valves to Break.
应用推荐