阀门

An in service valve suffering from Dezincification has a white powdery substance or mineral stains on its exterior surface.

应用中的阀门如果出现脱锌现象，在产品表面就会出现粉状物质或矿物污点。

An in serveice valve suffering from Dezincification has a white powdery substance of mineral stains on its exterior surface.

应用中的阀门如果出现脱锌现象，在产品表面就会出现粉状物质或矿物污点。

Then the flow coefficient could be calculated. Differential pressure was measured with varied air flow regulated by the valve. Based on the measured data, the relationship curve of the differential pressure and air flow was drawn. It could not be done in the former test platform.

用阀门调节改变流量时，测量出各种不同流量工况下的压差，根据测量数据可以求出流量与压差关系，绘制出压差与流量的关系曲线，此结果在原有的实验台是不能实现的。

This will cause discharging of small quantity of water.

这将促使阀门排泄少量的水。

When used in diverging service, YS valves are recommended for on-off applications only.

当服务使用的分歧，伊苏建议阀门的开关应用只。

This article introduced the forms and the factors which the valve divulged .

介绍了阀门泄漏的形式及因素，阐述了带压堵漏的原理、优点和种类以及几种常见的带压堵漏方法。

A valve of size DN 100 can be easily exchanged within less than 10 minutes.

用不到10分钟的时间就可以很容易地更换一个口径为 DN 100的阀门。

Double-acting pneumatic actuators: valve opening and closing of the two control.

双动式气动执行器：对阀门开启和关闭的两位式控制。

Among them, the failure mode and effect analysis, design and fault-tolerant redundant design, the use of advanced engine pipeline sealing structure, start double-lock valve, such as redundant design will have more than 40 advanced technologies.

其中，故障模式及效应分析，冗余设计和容错设计，采用先进的发动机管路密封结构、启动阀门双锁冗余设计等就有40多项先进技术。

If this is not feasible, the valve should be mounted downstream as far as possible.

如果这是不可行的，那么阀门应该安装在下游尽可能远的地方。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。