1.
Study on Net Hydrodynamic Hoist Load Characteristics of High Head Lock Culvert Valves;
高水头船闸输水阀门净动水启闭力特性研究
2.
Physical Model Study on the Dynamic Loads and Flow-induced Vibration of Emergency Sluice Gate in Xiluodu Tunnel Spillway;
溪洛渡水电站泄洪洞事故闸门启闭力及流激振动试验研究
3.
normal margin of start-stop apparatus
启闭设备的标准改正力
4.
Close shutoff valves and open test cocks No. 2, 3 and 4 to relieve pressure from the body of the valve.
关闭关闭阀，并开启测试旋塞2号、3号和4号，释放阀体内压力。
5.
Knife Gate valves should preferably not be opened or closed against pressure.
刀闸阀不适合顶着压力进行开启或关闭。
6.
Dynamic Simulation of Gantry Hoist Based on Virtual Prototyping Technology;
基于虚拟样机的门式启闭机动力学仿真研究
7.
Analysis on Flow Force of the Hydraulic Poppet Valve with the Moving Cone Based on CFD;
基于CFD的液压锥阀阀芯启闭过程的液动力分析
8.
Close on actuation or release;Close on actuation;Close on release
启动或释放时闭合;启动时闭合;释放时闭合
9.
After shutoff valves are closed, open test cock#2,#3 and#4 to relieve pressure within the backflow assembly.
在关闭了关闭阀后，开启测试旋塞2号，3号和4号，释放回流阀总成的压力。
10.
Controlled closing of the valve, opens the mainline check valve, gradually increasing line pressure.
阀门受到控制的关闭操作，开启主管线止回阀，逐渐增加管线压力。
11.
Dynamic simulation research on miter gate operating machine based on virtual prototype technology
基于虚拟样机的人字闸门启闭机动力学仿真分析
12.
Modeling of virtual prototype of gantry crane based on ADAMS and dynamic simulation of hoisting condition
基于ADAMS的门式启闭机虚拟样机建模及起升工况的动力学仿真
13.
cycling sprinkler
重复启闭喷水灭火系统
14.
Activates/deactivates on screen menu (OSD)
开启/关闭屏显菜单（OSD）
15.
Tightness test(opening and closing test,emergency opening and closing test)for cargo hatch cover.
货舱舱口盖密性试验（启闭试验、应急启闭试验）。
16.
Fast-opening blind is applied in the circular hatch of pressure pipeline and pressure vessel, which can be opened and closed fast.
快开盲板是用于压力管道或压力容器的圆形开口上并能实现快速开启和关闭的一种机械装置。
17.
Internal stops provide positive over travel protection for power actuated valves and act as a reference to position the discs in the open and closed positions.
内置的止动装置为动力执行机构提供行程保护，并且作为参考坐标在开启和关闭位置定位阀瓣。
18.
Scientific controversy to push the progress of glaucoma practice--inspiration by the debate on the classification of primary angle closure glaucoma
问题和争论是学科发展的动力——原发性闭角型青光眼分类争论的启示