Experiment results show that the rotating valve has a guide role and has a broader adjusting range to the intake swirl ratio than the vertical valve has.
试验结果证明，转阀具有导向作用，采用转阀对进气涡流进行调节比用挡板具有更大的调节范围。
We currently offer five main product lines of valve guide, rocker arm, precombustion chamber, valve seat insert and rocker shaft.
我公司现有产品包括气门导管、气门摇臂和预燃烧室、气门座、摇臂轴总成各大系列品种。
Our company mainly product oil pump, valve guide, valve Tappet, 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。
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