这意味着操作机构必须离阀门足够远以允许阀门通过气门弹簧使其完全关闭。
This means that the operating mechanism must be able to move sufficiently far enough away from the valve to allow the valves to be fully closed against its seat by the valve spring.
本发明的滑动机构的弹簧不易卡住便携式电子装置的其它组件，故不会造成操作不便。
The spring of the slide mechanism of the invention can not easily lock other parts of portable electronic devices, thereby not causing inconvenient operation.
本系列产品的操动机构为弹簧储能式，可以用交流操作，亦可用手动操作。
Operating machine of the type products is spring energy storage type, it can be AC operated, also operated by hand.
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