Our company mainly product oil pump, valve guide, valveTappet, push rod and so on.
我们公司主要生产机油泵、气门导管、气门挺杆、推杆等。
2
The reason of the formation of gas porosities and cracks on the head face of valvetappet has been studied.
本文分析了气门挺杆端面气孔、裂纹形成原因。
3
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.