Stroke control mechanism for the regulation and precise control of valve opening and closing position.

行程控制机构，用以调节和准确控制阀门的启闭位置。

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Four-stroke engines of this type with this same type of intake valve motion but with a supercharger to make up for the loss of power density are known as Miller cycle engines.

四冲程发动机本与此同进气阀运动类型的类型，但以使增压器的功率损耗密度，这些都是为米勒循环发动机众所周知的。

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This is a new type of slurry substance stop valve, which has shorter stroke, least rising power, better sealing effect, and vulnerable part has longer using age.

介绍一种提升距离短，提升力小，密封效果好，使用寿命长，适用于输送含有固体颗粒介质的新型截止阀。

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