Manufactured by casting polyurethane, main seal ring used in expansion ring testing device for pipeline was designed.
采用浇注型聚氨酯材料，设计了一种管道用胀环试样试验台主密封圈。
Aimed at main failure modes, the internal geometry of bearing and the structure of cage and seal are improved.
针对其主要失效形式，对轴承的内部几何形状及保持架和密封结构进行了改进。
Seal air is injected into the labyrinth seals located at the main motor shaft (top and bottom) and at the pinion shaft driving the motor.
密封空气被注入到主马达轴（顶部和下部）和驱动马达的齿轮轴的迷宫式密封里。
This paper discusses the main problems of ni-cd cell such as leakage at ceramic-metal seal factors effecting on the specific energy density choice of separator and the cadmium electrode.
文中论述了镉镍单体电池中陶瓷金属封接技术、响电池比能量的因素、膜的选择和镉电极对电池性能的影响。
Main reason for frequent failure on mechanical seal of low boiling column bottoms in the production of methane chloride is due to impurity entry and airproof structure, unreasonable material.
对甲烷氯化物低沸塔底料泵机械密封频繁失效进行了分析，主要原因是物料中杂质进入和密封结构、材料不合理等。
Main failures of roller shutter dry seal gas holder and its accessory systems in recovering gas are summarized, the countermeasures taken are introduced, and some Suggestions are put forward.
对卷帘密封干式气柜及其辅助系统在回收瓦斯运行中的主要故障、所采取的对策加以归纳总结，并提出了一些提高安全性的建议。
Carbonization is the use of carbon graphite - graphite seal ring when one of the main reasons.
石墨炭化是使用碳—石墨环时密封失效的主要原因之一。
Tthe mixer is primarily composed of mixing silo, mixing axis and their axle end seal device, main drive gear and discharging mechanism etc.
该搅拌机主要由搅拌筒体、搅拌轴及其轴端密封装置，以及主传动机构和卸料机构等部分组成。
Description is made in detail from the aspects of tank shell construction design, design and selection for main parts and configuration of seal protection system etc.
从罐体结构设计、主要元器件的设计和选用、密封保护系统的配置等方面进行了较详细阐述。
Main function GH-DXD series automatic filling and packing machines can automatically measure, make bags, fill, seal, cut, print codes and make easy tearing notches.
功能概述GH - DXD系列包装机，可自动完成计量、制袋、填充、封合、切断、打印生产日期、切易撕口等工序。
It confirms that tempering quality after being circle checked is the main cause for deformation of the steam seal ring made by rolling.
通过分析，确认校圆后的回火质量是钢板卷制汽封圈产生变形的主要原因。
Current situation and main results of the research on magnetic fluid seal (MFS) is described. Developmental tendency of MFS is analyzed.
介绍了磁性液体密封(MFS)研究的现状及主要研究成果。分析了MFS的发展趋势。
This paper describes properties of rubber use for diesel engine seal part, main problem of properties and determination technologies. By way of three typical parts, analyses determination of rubber.
本文介绍了用于柴油机密封件的橡胶性能要求，性能与测试技术存在的主要问题。以三个零件为例，对橡胶性能的测试技术与效果进行分析。
The main content of authentication system is digital signature, which is a legal replacement for handwritten signature and seal and is used to sign files.
数字签名是认证系统的主要内容，它解决了如何远距离地、迅速地用电子签名代替传统的手写签名和印章的问题。
According to the research the main question is that the high temperature of the welding make rubber seal O-ring spoiled, the insulating joint become waste product.
经调查，大管径绝缘接头的缺陷主要表现在焊接高温对橡胶密封材料的损伤方面，这会使刚已经生产完成的绝缘接头变成废品，浪费资源。
The circumstance of mechanical seal invalidation is simply introduced and the main cause of mechanical seal installation is analyzed in this paper.
简要介绍了机械密封失效的情况，并分析了机械密封失效的主要原因。
Main components: two-rotor, the body, the main bearings, shaft seal, balance and energy-conditioning Pistons.
主要部件：双转子、机体、主轴承、轴封、平衡活塞及能量调节装置。
The first paint is butyraldehyde resinetch primer which main function is to seal the surface of copper and increasethe adhesion with the next.
第一道漆为丁醛树脂基蚀刻底漆。主要功能就是封闭铜表面，增加与下道涂料的附着力。
The main shaft seal of pump turbines with large capacity at high rotational speed is more liable to failure as compared with that of conventional pump turbines.
大容量、高转速水泵水轮机主轴密封相对常规水轮机主轴密封更容易发生故障。
By analysing principle, hydraulic pressure, seal, the feasibility of oil pressure method about main gear in striking refinement vanadium steel converter are discussed.
通过对油压法的原理、液压力、密封等进行分析，阐明油压法在提钒转炉大齿轮拆除中的可行性。
The main products: cast steel, stainless steel, cast iron, rubber seal, manual, electric, pneumatic, worm transmission.
主要产品：铸钢、不锈钢、铸铁、橡胶密封、手动、电动、气动、蜗轮传动。
Theoretically study the dry gas seal mechanism and main parameters effect the performance of the dry gas seal.
从理论上对干气密封的作用机理及影响干气密封性能的主要参数进行了研究。
The check valves shall be modular and shall seal to the main valve body by the use of an O-ring.
这种止回阀应该是模块化的，并且应该采用一个O形环密封在主阀体上。
By analyzing the damage and leakage of the wicket gate seal for Baishan hydropower plant, it is presented that the main reason of leakage is applying nylon bearing bush.
对白山电站水轮机导叶密封损坏和漏水原因进行了分析，指出了尼龙导叶轴套的不适用是导叶密封漏水、损坏的重要原因。
The main contents of the body sealing are introduced, the concept of body seal and the seal principle are put forward. Two useful contact seal structures are introduced in detail.
介绍了车厢密闭性的主要内容，提出了车厢密封的含义及密封原理，详细介绍了两种实用的接触型密封结构。
Glass connection, tubing constant pressure connection, single constant connection and tubing blanking plug are main tubing internal seal tool.
玻璃接头、油管定压接头、油管单向定压接头和油管堵塞器是目前各油气田使用较普遍的油管内密封工具。
Labyrinth seal is widely applied at rotating machinery unit, its simple structure is one of main factors induce gas flow-induced vibration.
梳齿密封是当前应用最广泛的密封形式，其简单的结构也是诱发机组汽流激振主要因素之一。
There are a large number of centrifugal pumps in Shandong Aluminum Company. The main type of shaft seal is soft packing seal and mechanical seal.
山东铝业公司拥有大量的离心式渣浆泵，其轴封形式主要有填料密封（盘根）和接机械密封。
There are a large number of centrifugal pumps in Shandong Aluminum Company. The main type of shaft seal is soft packing seal and mechanical seal.
山东铝业公司拥有大量的离心式渣浆泵，其轴封形式主要有填料密封（盘根）和接机械密封。
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