Mainly by the impellers, pump body and pump cover composition.

This paper presented the flow field analysis in centrifugal impellers compressing perfect and real gas respectively.

目的是讨论离心式叶轮内理想气体与实际气体流场分析结果之间的差异.

Collision avoidance is a critical problem in the 5-axis machining of three-dimensional impellers.

在三元叶轮的五坐标加工中,碰撞干涉的有效避免是最为关键的问题.

The impellers are kept in their proper relationship to each other by spur gear.

液轮之间借助于正齿轮保持彼此正常的关系.

The size accuracy and surface roughness of the flow path of impellers have been remarkably improved.

在提高叶轮的流道尺寸精度和表面光洁度方面,取得了显著效果.

Impelling-binding mechanism is the micro foundation of venture capital operation.

激励约束机制是创业投资运作的微观基础.

This essay elaborates the concept, meaning, classification and significance of impelling and developing the community participation.

本文详细论述了社区居民参与的概念 、 内涵 、 分类及推动和发展社区居民参与的重要意义.

It would seem that a veritable tropism impels people to keep their heads held high.

似乎可验证的驱向性驱使人抬头挺胸.

I will address a candor a decision which the present situation of our Nation impels.

会像我国目前形势所要求的那样,坦率而果断地向你们讲话.

The wave behind impels the wave before.

后浪推前浪.

The human wants to strive for to change unceasingly, impels oneself to progress.

人要不断求变, 推动自己去进步.

The professor impels him to greater efforts.

教授鼓励他做出更大努力.

What do you suppose impels him into these strange positions?

你想什么使他变成现在奇怪的样子?

Instinct impels the cuckoo to migrate.

本能促使杜鹃迁徒.

The desire to win glory for their country impels the athletes to train diligently.

为国争光的志愿激励运动员刻苦训练.

Crucial events impend in Europe.

欧洲即将发生具有决定意义的事变.

I carried an umbrella because the rain impended.

我带了把伞,因为就要下雨了.

C . impendence technology is a promising method in studying the rebar corrosion state in concrete.

因此,交流阻抗技术是研究混凝土内钢筋腐蚀状态的有力工具.

For weeks I have had a feeling of impending disaster.

几个星期来,我一直感到大祸即将临头.

The first item about her impending marriage appeared in an Associated Press bulletin.

她将要结婚的第一条新闻首先在美联社的新闻稿上披露.

It is the science of things to come , of impending developments.

它是关于未来事物和未来发展的科学.