Failure position of valve shall be open.
故障时阀门位置为打开。
Failure position of valve shall be closed.
故障时阀门位置为关闭。
At first, it studied the plant model of position and force system about valve control unsymmetrical hydraulic ram.
首先，建立了阀控非对称缸位置控制系统与力控制系统的数学模型。
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。
In dealing with the relationship of the servo valve position control and the adaptive control, the Double-loop control is adopted.
提出了伺服阀的位置控制和颤振的控制关系上采用可切换的双通道控制形式的设计思想。
The disc and associated moving parts may be in a constant state of movement if the velocity pressure is not sufficient to hold the valve in a wide open and stable position.
如果流体流速压力无法将阀门支撑在一个较大的开启度并保持在稳定的开启位置，则阀瓣和相关的运动部件可能会处于一种持续振动的状态。
The flywheel marks and indentation are used for setting the valve and the ignition systems relative to prescribed position of the crankshaft.
飞轮标记与凹口可以用来确定阀门与点火装置系统的位置，其要根据曲轴的规定位置来确定。
This paper introduces the hardware design and the position control method of a valve positioner based on ARM microcontroller.
介绍了一种基于ARM的智能阀门定位系统的硬件设计和定位控制方法。
When a cylinder with this valve configuration is in the upright position, the inlet of the tube is immersed in liquid and the liquid phase will be removed.
当带有这种阀门配置的钢瓶处在垂直位置时，管子的入口浸在液体中，就可以提取液相产品。
Most often this is in some kind of valve, but it might also be a belt of motor speed, louver position, and so on.
最常见的是由某种阀来完成，但这也可能是一条皮带，或者是马达速度、口径位置等等。
Top company has an experienced R & D team, implement the global unified design, unified standards, in the field of valve in the leading position in the world.
托普公司拥有一支有经验的研发队伍，实行全球统一设计，统一标准，在阀门领域内处于世界领先地位。
Fitting valve position feedback on manual valves now also becomes a more attractive option with the size and cost of the open solution.
现在由于开放式解决方案的尺寸和成本的优势，在手动阀上装配位置反馈也变得更有吸引力。
The hand wheel is always in the same position relative to the valve body regardless of whether the valve is in the open or closed position.
不管阀门是在开启或是关闭位置，手轮总是处在相对于阀体的同样的位置。
Slamming of check valves is the result of failure of the valve disc to reach its closed position before the fluid flow reversal.
止回阀的撞击现象，是由于在流体倒流之前，阀门的阀瓣没有到达关闭位置造成的。
Used when the valve is mounted in high or out-of-reach locations, but frequent monitoring of the valve position is required.
用于当阀门安装在高处或无法靠近的地方时，但是有需要经常观察阀门开启位置的情况。
Check the valve parts before installation. Open and close the valve by hand for a period check the open-close position of the valve gate.
检查阀门各部位是否有松动现象，对阀门进行手动开启、关闭一个周期是否有异常现象，同时检查阀门的启闭位置是否准确。
In metallurgical industry, it is a necessary controlling unit to adjust the pressure in the in industrial furnace by valve and position controlling system of the valve.
在冶金生产过程中，通过阀门及其位置控制系统来调节工业炉内的压力是必不可少的控制环节。
The valve stem with its grooved rings and positioning sleeve indicates the throttled position of the valve.
阀杆及其沟槽环和定位套筒显示阀门的节流位置。
Minimum dimension from centerline of valve to base of floorstand when ordered with position indicating floorstand.
如果订购地轴承架，则最小长度尺寸为阀门中心至地轴承架底座的长度。
If flow rate is in excess of that specified, turn indicator knob towards closed position, noting pressure drop and valve setting and determining new flow rates from flow rate chart.
如果流量超过规定，将指示器旋钮旋转到关闭位置，注意压降和阀门设置，并从流量表中确定新的流量。
If flow rate is in excess of that specified, turn indicator towards closed position, noting pressure drop and valve setting and determining new flow rates from flow rate chart.
如果流量超过规定，将指示器旋转到关闭位置，注意压降和阀门设置，并从流量表中确定新的流量。
Press A / M, out of the valve angle calibration, ether the no input signal valve position calibration process.
按下A/M，退出阀门转角标定，进入无信号输入阀门位置标定进程；
The switch position of butterfly disc is limited by the adjusting screw pole on the worm gear transmission device. The indicating device displays the position of the valve switch.
蝶板的开关位置都由蜗轮传动装置上的调节螺杆限位，指示牌指示阀的开关位置。
On the basis of position information and TFT liquid crystal light valve, high quality simulation of star map is performed.
根据位置信息，采用TFT液晶光阀，以实现高质量的星图模拟；
In this calculation model for the movement rule of valve train system with rocker, the position of every component is determined, so it has a high precision.
建立摇杆式配气机构运动规律的精确计算模型，给出了每一时刻下配气机构各部件的准确位置，具有较高的精度。
The only other predictors of survival were age and valve position.
其他唯一能预测生存率的因素是年龄和瓣膜位置。
The only other predictors of survival were age and valve position.
其他唯一能预测生存率的因素是年龄和瓣膜位置。
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