The train on platform 3 is for London, calling at Didcot and Reading.

The audience screamed when a train on the film came right toward them.

当电影里的一列火车向他们开来的时候,观众发出了尖叫声.

Variable control valve timing is one of the important issue for development of automobile technology.

配气相位可变控制是现代汽车技术发展的重要课题之一.

Eventually the paper brings forward improving design for several deficiencies of Electro-Hydraulic variable valve timing.

本文最后针对 电液 驱动可变配气相位机构存在的几点不足,提出了改进方案.

The valve train system is one of the most important mechanisms in a diesel engine.

配气机构是柴油机的重要组成部分.

Because push-rod valve train has additional parts, it is more difficult to run at high speeds.

因为推杆气阀传动有另外的部分, 所以很难以高速运转.

Operating Principle: The pressure seal valve is a hand wheel-operated valve using a two-piece valve stem.

运转原理: 压力密封阀是使用两个阀杆的手轮操作阀门.

The molded step of the diaphragm should point down towards the relief valve stem.

隔膜的模制台阶应该对着安全阀阀杆.

These sets consist of a coupling which attaches to standard valve stem and an extension rod.

这些装置由可连接标准阀门阀杆的联结器和加长杆组成.

Mounted vertically, the valve cover, valve stem should be outward.

垂直安装时, 阀盖 、 阀杆应朝外.

Hammer blow and standard valve stem coupling designs available.

锤击和标准阀杆耦合设计可用.

The valve, the valve seat valve and plunger usually is based on the principles of design.

在该阀门中, 阀瓣和阀座通常是基于柱塞原理设计的.

Now generally used PTEE, EPDM and other material for the valve seat, so bubbles leakproofness good.

现一般均使用PTEE 、 EPDM等材料,为阀座, 因此,气泡密封性佳.

The valve seat diameter.

阀门阀座直径.

The closing valve stem and valve seat sealing surface axis vertical.

截止阀的阀杆轴线与阀座密封面垂直.

Place the relief valve seat back into the chamber bore.

将安全阀阀座放回到镗孔内.

Slide the diaphragm assembly into the relief valve seat.

将隔膜总成滑进到安全阀阀座内.

Magnetic valve seat, diaphragm and valve plate combined design.

磁性阀座 、 覆膜阀片组合设计.

Globe valves are usually installed with the inlet below the valve seat.

安装截止阀时,通常把进口安装在阀座下方.

A butterfly valve seal and metal shells of the two sealed sealed type.

蝶阀有弹密封和金属的密封两种密封型式.

Valve timing and valve lift are key technical parameters of an engine.

配气相位、气门升程是发动机最关键的技术参数指标之一.