The helical cuts and ribs forced the bolt head to rotate on opening and closing stroke of the bolt, thus unlocking and locking it to the receiver.

螺旋肋被迫削减和螺栓头部旋转开幕式和闭幕式上的螺栓中风，从而解锁和锁定到接收器。

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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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Eberl, from Germany, beat England's Melissa Reid by one stroke after a closing seven-under 66 in Denmark.

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It also recommends closing the hospital's Ascot Birth Centre and improving rehabilitation services for both stroke and general medical patients.

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With five consecutive pars after that, Weekly finished at 14-under 266 for a one-stroke victory over Matt Kuchar, the second- and third-round leader who had a closing 68.

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