Mechanical springs used with air cylinders can be sized for up to 20,000 Ibs. of thrust and have a stroke limit of about 14 "max. depending on thrust output required."

空气缸体执行机构所采用的机械弹簧可以达到20,000磅的推力，及最大14英寸的冲程限制，主要取决于所需要的输出推力。

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In the past year two teams of astronomers have finally found it, redrawing in a stroke the limit of how big things can be in this universe of ours.

过去几年，有两个天文学家团队终于找到了它们，重新冲击了“我们的宇宙到底能有多大”这个问题的答案。

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There is limit block on the valve disc to ensure the open-close position , which is controlled by the stroke switch.

阀门的启闭位置由行程开关控制，且阀板上设有限位挡块以保证阀板的启闭位置。

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There is limit block on the valve disc to ensure the open-close position , which is controlled by the stroke switch.

阀门的启闭位置由行程开关控制，且阀板上设有限位挡块以保证阀板的启闭位置。

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