可用作流体流量的启闭和节流控制。
Can be used for both on-off and throttling control of fluid flow.
设计合理，结构紧凑，启闭迅速。
Reasonable design, compact structure, opening and closing fast.
炉门的启闭是通过手动来进行的。
阀杆上的短梯形螺纹适用于快速启闭操作。
Stub acme thread on stem provides rapid open-close operation.
使得阀门启闭流畅平稳。
这种机器叫水利启闭机。
安装使用前应进行启闭试验，查看是否正常。
Run a test to see if the valve works before installing and using it.
启闭设备养护修理。
在这里您可以看到启闭刚刚结束后，我无聊了。
Here you can see the headstock just after I finished boring it.
行程检测是液压启闭机控制中的一项关键技术。
The motion detection is a key technology in the hydraulic hoist control.
结构简单、紧凑， 阀体90度回转启闭迅速。
Simple, compact structure, quick 90 degree on-off operation.
闸阀通常用于启闭应用场合，不建议用于节流应用。
Valve typically used for opening and closing applications, not recommended for throttling applications.
独特的橙色手柄可以远距离指示“启闭”和流体方向。
Distinctive orange handle indicates "open/close" and direction of flow at a distance.
行程控制机构，用以调节和准确控制阀门的启闭位置。
Stroke control mechanism for the regulation and precise control of valve opening and closing position.
水密小舱口盖（水密门、窗）启闭灵活性、冲水检查。
Flexibility and hosing test for small water tight hatch cover(water tight door and window).
水密小舱口盖(水密门、窗)启闭灵活性、冲水检查。
Flexibility and hosing test for small watertight hatch cover (water tight door and window).
本闸阀暗转在介质为水的管路上，作为启闭设备使用。
These gate valves are ideal for closing and opening the flow in water pipelines.
介绍船闸人字门液压启闭机油缸的一种有限元计算方法。
FEM computing technique for hydraulic hoist cylinder of lock miter gate is introduced.
卫生器具的给水配件应完好无损伤，接口严密，启闭部分灵活；
Water supply fittings of sanitary appliance should be complete with no damage, tight joint and be flexible to open and close.
因此，这种阀门对于启闭和节流双重应用的场合是很好的选择。
Therefore, it is an excellent choice for combination on-off and throttling applications.
手操机构：自动控制在不正常情况下可以手动操作阀门的启闭。
HART institutions: automatic control under normal circumstances you can not manually open and close the valve.
最后，对整个启闭台混凝土结构提出了评估结论和缺陷处理意见。
Finally the assessment result and the opinion of defects treatment for the whole crane platform concrete structure were given out.
水电站龙门起重机：主要用来吊运和启闭闸门，也可进行安装作业。
Hydropower Station Gantry Crane: mainly used for lifting and opening and closing gates, but also the installation.
车门上的任意点在启闭过程中始终作平行移动，因此其设计具有特殊性。
Because any point on the door is always in translational motion when the door is opening or closing, so the design of the door has its own specificity.
阀体伸缩器只作用于方便阀门本身的启闭，不能代替管道中应设有的伸缩器。
The valve body expansion pipe is only used to open or close the valve, but can not replace the expansion pipe in the pipe.
启闭件靠介质流动和力量自行开启或关闭，以防止介质倒流的阀门叫止回阀。
Headstock piece on media flows and forces open or closed to prevent backflow valve media called a non-return valve.
在原有螺杆式、卷扬式和液压式启闭机的基础上，设计研制了齿销式启闭机。
On the basis of original screw type, winding type and hydraulic type Headstock, a kind of dentate annul headstock is designed and manufactured.
三峡工程泄洪深孔弧形门液压启闭机是三峡工程宣泄和调控洪水最重的启闭设备。
The hydraulic hoist of tainter-gate of TGP's flood discharge deep outlet is the most important hoisting device for flood discharge and regulation of TGP.
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。
There is limit block on the valve disc to ensure the open-close position , which is controlled by the stroke switch.
采用薄膜式气缸替代活塞式气缸，排除了活塞环易损漏而导致无法启闭阀门的弊端。
Adopt film cylinder in place of piston cylinder, which remove the abuse that piston ring is easily damaged and lead to not open or close valve.
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