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。
The reliable sealing device design, the main seal USES the international famous factory production the high quality seal, the sealing property is good.
可靠密封装置设计，主要密封件采用著名厂家生产的优质密封件，密封性能好。
The main purpose of attaining the skin a seal to prevent loss of moisture or sebum, while the other is to get rest for tired skin.
敷脸最主要的目的在于一个将皮肤密封，以防止水分或皮脂的流失，另一方而则是为了让疲劳的皮肤获得休息。
Flange surface roughness of the influence, especially sealing effect when using the soft cushion, seal surface coarse degree value big are caused by the leak is one of the main reasons why.
法兰表面粗糙度对密封效果影响很大，特别是当采用非软质垫片时，密封表面粗糙的度值大是造成泄露的主要原因之一。
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。
The main mechanical seal is installed in the shaft on the dynamic in Central and fixed pump shell on the static ring for the relative motion between the end to achieve the objective of sealing.
机械密封主要的是靠装在轴上的动环与固定在泵壳上的静环之间端面作相对运动而达到密封的目的。
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 main function of Linclion pump is to seal off the lubricator.
林肯泵主要作用是密封注油头。
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。
This seal is normally made by holding the torch flame stationary, blowing out a hole in the main glass body to match a second tube (hose connection in this example).
这种密封通常由控股火炬火焰平稳，吹制出一个洞，在主体玻璃机构，以配合第二管（软管连接在这个例子中） 。
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。
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。
The final shape helps the seal screw rod compressor assembly drawing, the contour dimensional drawing and each main detail drawing.
最终形成全封闭螺杆压缩机总装配图、外形尺寸图和各主零件图。
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