针形阀位置提前，便于接近。
与该泵并联地设置有一个控制阀，该控制阀的阀位置通过该泵的主动缸侧的压力来控制。
A control valve, the valve position of which is controlled by the pressure on the slave cylinder side of the pump, is arranged parallel to the pump.
原先同丢失的钻井平台相连的防喷阀的控制板已经被Q4000取代，它在那个位置上被测试，并连接到新的电线上。
The blowout preventer’s control pod, which was also originally connected to the lost rig, has been taken up to the Q4000, where it has been tested and attached to new cables.
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。
Fitting valve position feedback on manual valves now also becomes a more attractive option with the size and cost of the open solution.
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。
In dealing with the relationship of the servo valve position control and the adaptive control, the Double-loop control is adopted.
绷网完以后，扳动换向阀，使手轮回到初始的位置，关闭电源。
After the nets, stretch, throw reversing valves, make the initial position, close to power.
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。
Most often this is in some kind of valve, but it might also be a belt of motor speed, louver position, and so on.
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。
At first, it studied the plant model of position and force system about valve control unsymmetrical hydraulic ram.
放净阀必须放空到安全位置-放到大气、火炬总管或排放容器中。
Drain valve must be vented to the safe position in the atmosphere, the torch duct or discharge the container.
应该在安全阀上连接一个排放管道，以将任何潜在的排放引导到进行处置的安装位置。
A drain line should be attached to the relief valve to channel any potential discharge to a safe place of disposal.
手轮可以拆卸并重新定位在环绕阀杆的六个位置中的任何一个位置上。
The handwheel can be removed and repositioned any of six positions around the stem.
山阀对电机与港口相应的位置。
Mount valve against the motor with the ports in corresponding position.
将手柄恢复到正常位置，则“压杆”上的压力就得到缓解，使得调节阀能够保持正常的系统压力。
Returning the lever to its normal position releases the tension on the rod permitting the valve to maintain normal system pressure.
防倒流装置必须安装在调节阀的上游位置。
The backflow preventer must be installed upstream of the regulator.
阀杆也应该在顶部配置方向指示器，用于当手柄拆卸下来时指示阀瓣的位置。
The shaft also shall have a directional indicator on top to indicate disc position when the handle is removed.
在这种位置，安全阀位于第一止回阀下面，使得这个区能够通过安全阀出口排放。
This positions the relief valve below the first check valve, enabling the zone to drain through the relief valve outlet.
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 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.
在把盖子重新安装在齿轮执行机构上之前，确认阀瓣位于全开位置处30度的地方。
Before reassembling cover to gear operator, make sure disc is approximately 30 degrees away from full open position.
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。
Slamming of check valves is the result of failure of the valve disc to reach its closed position before the fluid flow reversal.
把PCV阀固定在开启位置即最大流量位置。
与倾斜式结构相比，直线式结构截止阀在全开位置具有更高的压差(压力损失)。
The full open position in straight pattern globe valves has higher differential pressure (pressure losses) than an oblique pattern valve.
图1所示是各种密封和游动阀在柱塞上的位置。
Figure 1 shows the various seals and traveling valve in the plunger position.
图1所示是各种密封和游动阀在柱塞上的位置。
Figure 1 shows the various seals and traveling valve in the plunger position.
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