查询词典 valve key

The key to this valve is in the flexible reinfoced rubber sleeve - the valve's only wetted part.

其主要原因就在于这种阀门内部的弹性强化套管，也就是这种阀门唯一与流体接触的部件。

The application and working process of throttle valve in injection mold of unbalanced cavities were introduced,and the key points of designing throttle valve was analysed.

介绍了节流阀在非平衡型腔注射模中的应用及模具工作过程，并分析了节流阀的设计要点。

KEY WORDS］rheumatic heart disease; tricuspid valve disease; valvuloplasty; valve replacement

关键词］风湿性心脏病；三尖瓣病变；瓣膜成形术；瓣膜置换术

Vacuum partial pressure control system is composed of computer system, vacuum modulation valve and partial pressure pump, of which the valve is one of key parts of the equipment.

真空偏压控制系统由计算机系统、真空调节阀、真空偏压泵等部件构成，其中真空调节阀是设备的关键部件之一。

For Type 8510B, the taper key/disc connection and the splined valve shaft with clamped lever and single pivot linkage reduce lost motion between the actuator and valve.

对于类型8510B的，锥键/光盘连接和花键轴与钳制阀杠杆和单支点之间的联系，减少损失的执行器和阀门的议案。

Describes the experience in making of brake-valves for double-room vacuum gas quenching furnace especially the working principle of its sealings,function transmission and the technological processes of its key components(valve body,linkage and valve plate),with a force analysis made to the linkage in detail.

介绍了真空热处理技术的优点，总结了双室真空气淬炉中附件&闸阀&的制造经验，阐述了闸阀的密封工作原理、作用、传动以及关键部件的加工制造工艺，同时对连杆机构做了详细的受力分析，并指出&闸阀&制造过程工艺控制的重要性，只有严格控制加工工艺流程才能保证&闸阀&的制造精度，从而满足整台设备的技术参数。

Nozzle is the key part of a twin nozzle-flapper valve which is the pilot stage of a servo valve.

喷嘴是伺服阀前置级双喷嘴挡板阀的关键元件。

Bellows sealed valve shut-off valves, and its key components - metal bellows, the lower end of stem components with the introduction of automatic welding roll, roll the top and连接板automatic welding, in the fluid medium and the atmosphere to form a metal barrier between the to ensure zero leakage valve stem.

阀门中波纹管密封截止阀，其关键部件——金属波纹管，下端与阀杆组件采用自动滚焊焊接，上端与连接板自动滚焊焊接，在流体介质和大气之间形成一个金属屏障，确保阀杆零泄漏。

Reduce the external leakage of valve valve packing system is the key to the material.

减少阀门外泄漏的关键在于阀门填料系统的材质。

The high-temperature butterfly valve is a key valve in the fluid catalytic cracking unit.

高温蝶阀是流化催化裂化装置中的一个关键阀门。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。