Under the valve spring preload and seating impact force, the deformation at the site of contact accumulated more and more big, eventually leading to the valve seat fatigue failure.

The electromagnetic valvetrain is known as a novel fully flexibly variable valvetrain with simple structure, quick system response, and excellent valve seating performance.

作为一种新型的全可变配气机构，电磁驱动配气机构具有结构简单、响应速度快、落座特性好和调节灵活等优点。

The seating performance evaluating indicators were proposed. The control of valve seating velocity and holding force was investigated.

提出了气门落座特性的评价指标，研究了气门落座速度和落座保持的控制方法。

The results showed that capillary crack was formed from the surface cavity of billet in the process of high temperature heating-rolling and cavity and sliver defects were formed due to part melting of seating face of heavy rail.

分析结果表明：发纹缺陷是由方坯表面气孔经高温加热-轧制演变成的，掉肉和小裂口则是因重轨踏面局部融熔所造成的。

To provide consistent seating performance and prolonged valve life, it is recommended that you purge and flush your Pacific Wedgeplug valve each time it is operated.

为了保持协调一致的阀座密封性能和延长阀门的使用寿命，建议用户在每当操作阀门后都清洗和冲刷美国太平洋楔塞阀一次。

Valve Burning. This is usually an exhaust-valve problem. Any condition that prevents normal exhaust-valve seating may lead to valve Burning.

气门烧伤：这种情况通常发生在排气门。任何妨碍排气门密封面贴合的情况都会导致气门烧伤。

Pumping Efficiency Affected by the Seating Time of Valve Ball

阀球入座时间对抽油泵泵效的影响

This paper describes the principle of measuring needle valve seating time in electromagnetic injector, then presents the constitution and measuring procedure of a measuring system for needle valve seating time lag in electromagnetic injector and analyses the measuring error in the system.

阐述了电磁式喷油器针阀落座时刻的检测原理，介绍了一种电磁式喷油器针阀落座滞后时间测量系统的组成和测量过程，并对系统的测量误差进行了分析。

A Study on A Measuring System for Needle Valve Seating Time Lag in Electromagnetic Injector

电磁式喷油器针阀落座滞后时间测量系统的研究

Made with the aid preparatory hearing, written testimony from the hearing rules to determine the key issues, drawing on court proceedings perfect hearing system and the debate on cross-examination system to establish the concept of procedural justice hearing a reasonable seating layout.

提出了要借助于预备听证会、书面证言规则等确定出听证的关键议题，借鉴法庭审判程序完善听证的质证制度和辩论制度，以程序正义的观念建立起合理的听证会坐席布局。

The Touran has a versatile seating layout with a spacious middle row of seats that slides, folds and can be removed easily.

途安的座椅编排有多种变化，中间排座椅空间宽敞，可轻易地进行倾斜、折叠与拆卸。

Comfortable Problem in the Design of Seating Layout in the Cabin of Air Bus

大型客机客舱座椅布局设计中的舒适问题

Study of the Automatic Seating Arrangement System for Self-Studying Rooms in College Library

高校图书馆自习室自动排坐系统研究

This year, though, you might see a different seating arrangement.

然而，今年你会看到一个不同的座位布置。

The seating arrangement for this year is different, however.

尽管如此，今年的座位安排确实有些不同。

In this thesis, the calculation method of the elastic force and strength of varied section open-ring has been proVided, If this kind seating ring of supporting ring is used in cylinder case, the uniform elastie force ex-erted on cylinder wall by the ring is produced.

本文主要论证了变截面开口圆环的弹力集度及强度校核计算方法，缸套内采用这种密封环或支承环，可使圆环对缸壁沿圆周产生均匀的弹力。

The pedestal is made of stainless steel and the seating ring can rotate up to350 degrees.

底座采用不锈钢制成，座环最大可旋转350度。

Research on effect of organic pollutants on detection sensitivity of streaming current

有机污染物对流动电流检测灵敏度的影响研究

Application of Streaming Current Control System to Treatment of Slightly-polluted Raw Water

流动电流混凝投药控制系统在微污染水源水中适用性研究

Treatment of the Application of the Streaming Current Signal in Coagulant Control

用于混凝投药控制的流动电流信号的特殊处理

Application of streaming current forward feed-cascade control system

流动电流前馈&串级控制系统的生产应用