阀门

To widen the range of the plane gates,it is very much important for plane gates to study hemline cavitation and solving measure.

为了扩大其适用范围，对阀门底缘空化特性及改善措施进行综合研究是很有十分重要的。

Apart from the determination by the German DIN standards regulating valve rated flow coefficients and adjust the characteristics of outside, HORA also in accordance with the requirements of the user measured more indicators related to the valve.

除了按德国DIN标准测定调节阀的额定流量系数及调节特性以外，HORA还能按用户的要求测取有关阀门的更多指标。

When installed in a horizontal position, this additionally facilitates drainage of fluid from the valve.

当安装在水平位置时，还有利于阀门内流体的排放。

The principle and design of valve upstream hotplate for preventing excessive flow leakage,and the application of the valve series products are discussed.

论述了防超流量泄漏灶前阀的原理、阀门的设计及防超流量泄漏灶前阀系列产品的应用。

They can check their areas of responsibility hydrant valve is not closed.

他们只能检查他们负责的区域消防栓阀门有没有关闭。

We test 100% of our hydrofluoric acid valves with kerosene.

我们采用煤油对我们所有的氢氟酸阀门进行100%的检测。

When you purchase Pacific hydrofluoric acid valves, you are really getting

如果您购买了美国太平洋氢氟酸阀门，您实际上就得到了

Monel alloy is mainly applied MULTI-FUNCTIONAL WATER PUMP CONTROL VALVE to the valve in the medium containing hydrofluoric acid.

蒙乃尔合金主要适用于含氢氟酸介质的阀门中。

When using hydrogen chloride in processes that require continuous flow for long periods of time, the valve should be cycled on a weekly basis.

当在长时间需要连续流量的过程中使用氯化氢时，阀门应该每周循环一次。

In terms of valves, the pipeline complexity of the work of weather conditions; oil, natural gas and oil, water and other media in the hydrogen sulfide, carbon dioxide and some organic acids appear to increase the destructive force of the metal surface, which rapidly lost their ability to work.

对阀门而言，其管道工作气候条件的复杂；石油、天然气和油层水等介质中硫化氢、二氧化碳和某些有机酸的出现使其金属表面的破坏力增大，从而迅速失去工作能力。

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。