现象的

With the analysis on liquid cavitation, the use of throttle orifice is suggested to lower the pressure in steam~water piping of power plants so as to prevent liquid cavitation.

通过对液体汽蚀现象的分析，提出了采用节流孔板来降低发电厂汽水管道压力，从而防止流体产生汽蚀的方法。

Stems shall be of dezincification-resistant silicon bronze ASTM B 371 or low-zinc alloy B 99, non-asbestos packing and malleable or ductile iron handwheel.

阀杆材质是符合美国材料试验协会ASTM B 371标准抗失锌现象的硅青铜，或B 99低锌合金，不含石棉的填料，可锻或球墨铸铁手轮。

Stems shall be of dezincification-resistant silicon bronze ASTM B 371 or low-zinc alloy B 99, non-asbestos packing and malleable or ductile iron handwheel. Where higher

阀杆材质是符合美国材料试验协会ASTM B 371标准抗失锌现象的硅青铜，或B 99低锌合金，不含石棉的填料，和可锻或球墨铸铁手轮。

"Stems shall be of de zinc ification-resistant silicon bronze aSTM B 371 or low- zinc alloy B 99, non-asbestos packing and malleable or ductile iron handwheel."

阀杆材质是符合美国材料试验协会aSTM B371标准抗失锌现象的硅青铜，或B99低锌合金，不含石棉的填料，和可锻或球墨铸铁手轮。

"Stems shall be of dezincification-resistant silicon bronze aSTM B 371 or low-zinc alloy B 99, non-asbestos packing and malleable or ductile iron handwheel."

阀杆材质是符合美国材料试验协会aSTM B371标准抗失锌现象的硅青铜，或B99低锌合金，不含石棉的填料，和可锻或球墨铸铁手轮。

Through check and test,cause is found which brings to bearing shell temperature of feed water pump electromotor going up,and effective settlements are adoped to make operation effects to get the best state.

通过检查和试验，找出了导致某电厂给水泵电动机轴瓦温度升高现象的原因，并采取了有效的解决方案，使运行效果达到最佳状况。

Reactive Ball Milling technology appeared after self-propagating phenomenon in the process of ball milling was discovered.

球磨过程中自蔓延现象的发现，促使了反应球磨技术的产生。

In this paper, the current status of research on lead-free solders and the lift-off phenomenon were mainly reviewed, and hoping to be a consult of the future correlative studies.

本文主要对无铅钎料及其焊点剥离现象的研究现状简要进行了总结，以期为今后的研究工作提供参考。

But compared with vision, studies of auditory perceptual asymmetries were relatively scarce.

对知觉非对称现象的研究是认知心理学领域的热点问题之一。

At present the studies on bifurcations and chaos are the most important subject for...

分岔和混沌现象的深入研究是当前国际上非线性动力系统的前沿课题。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。