查询词典 June sucker

It is indicated that employing the new oil pumping unit can raise the efficiency of the sucker rod pump under the surface.

分析与计算结果表明，新型液压抽油机的效率较常规游梁式抽油机的效率有较小幅度的提高，并指出了这种抽油机对提高井下效率的可能性。

Inflow performance of oil well, as a major external factor of influencing sucker rod pump performance, is studied.

油井流入动态是影响抽油泵性能的外部重要因素。

The basic principle of optimum structural design of special sucker rod pump was put forward according to real oil well conditions.

提出了根据井况进行杆式抽油泵结构优化设计的一般原则，并在常规杆式抽油泵的基础上，进行了结构优化设计，形成了系列特种杆式抽油泵，提高了杆式抽油泵密封锚定的可靠性，以适应含气、砂等井况。

Expert system ; neural networks ; sucker rod pump ; downhole status diagnosis

专家系统；神经网络；有杆泵；井下诊断

The system efficiency of sucker rod pump well in Tahe oil recovery No1 distriction mentioned in this paper has been up to 16.42%.

本文研究的塔河采油一区有杆泵井系统效率平均为16.42%。

Pump dynamometer card shape directly reflects the characteristics of different factors that influence the working performance of sucker rod pump performance.

结合实例，对仿真得出的泵功图进行分析，找出了影响泵况的主要因素，通过参数调整，改善了抽油泵性能，提高了油井效率。

Barum, purported to have said,"There is a sucker born every minute."

Barum，有这种含义的说："每分钟有一个容易受骗的人出生。"

These include the Colorado pikeminnow, the razorback sucker and the roundtailchub.

同时，外来物种包括科罗拉多大白鱼、刀项亚口鱼和粗壮骨尾鱼，本来难以在修坝前的原始水域中生存，却大量的迁入。

Perhaps no creature has taken this advice more literally then the remora, also known as the sucker fish.

或许没有任何生物比印鱼更加奉行这项圭臬了。印鱼就是一般俗称的吸附鱼。

However, they lack the dorsal sucker of the Remora, their body is far stouter and their tail is far more developed, and forked instead of rounded.

但是，欠缺的 Remora 的背抽油、他们的身体是远 stouter 和更为发展，和分支而不是他们的尾舍入。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。