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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Double toggle mold closing system with a large force magnification ratio and a large stroke ratio.

角双曲肘合模装置，大增力比和大行程比。

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Double toggle mold closing system with a large force magnification ratio and a large stroke ratio.

角双曲肘合模装置，大增力比和大行程比。

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