There first appeared a type of object that remained characteristic for Mesopotamia throughout its entire history: the cylinder seal.

那里首先出现了一种东西，它在美索不达米亚的整个历史中一直保持着它的特点：滚筒印章。

This paper points out the potential applications of arc-shaped and stepped seal and the possible damage on cylinder seal cause...

本文在深入分析液压缸密封结构的基础上，提出了弧形与阶梯形密封的应用前景和气穴现象对密封的危害及消除方法。

Design blue print of the hydraulic cylinder seal style was put forward for the hydraulic cylinder with large power, larger load and long journey.

提出了一种大功率、大负载、长行程工作条件下，液压缸活塞与缸体之间、活塞杆与缸盖之间密封方式的设计方案。

From 1993, the reconstruction of low pressure cylinder sealing began to conduct. The floating ring seal are changed into steam jamming seal. The applied effect is good.

1993年开始实施低压缸密封改造，将浮环密封改造成蒸汽阻塞密封，使用效果良好。

You have to mix oil into the gas in a two-stroke engine because the holes in the cylinder wall prevent the use of rings to seal the combustion chamber.

在二冲程发动机中你必须混和燃料和气体，因为气缸壁上的孔阻止使用活塞环密封燃烧室。

Generally, the cylinder and the cylinder head bolt together with a thin gasket pressed between them to ensure a good seal.

一般来说，气缸和气缸盖用螺栓紧固在一起，气缸与气缸盖之间用一薄垫圈确保密封良好。

The spark plug must form a good seal inside the cylinder head to avoid leakage of without the high-tension current shorting-out.

火花塞必须在汽缸盖内形成良好密封以防止燃烧过程气体高压泄露，并且能够继续工作而且高压电路没有短路。

Numatics Rodless Cylinder: Extruded barrel for increased rigidity, Kevlar reinforced seal strips, cushioned at both ends.

纽曼帝克无杆气缸：增加刚性，芳纶重新坚定不移密封条两端，衬垫，挤压桶。

If the residual air in cylinder is impacted by abrupt clamp pressure the seal ring will be damaged due to the effect of diesel oil.

如果油缸内残留空气受急剧夹压时，那么，由于液压油的作用，有可能使密封圈烧损。

It is equipped with piston rings to provide a good seal between the cylinder wall and piston.

上面装有活塞环，从而使活塞和气缸壁之间具有良好的密封性。

The seal between piston and hydraulic cylinder used in development machines, structure forms and operations are introduced.

介绍了掘进机液压缸与活塞处的密封结构形式以及使用。

Apply to reciprocating motion of hydraulic cylinder piston rod sealed device can also be used to cover the static flange seal.

适用于液压缸活塞杆往复运动用密封装置，也可用于法兰端盖的静密封装置。

In the paper, a cast iron seal used in high temperature pneumatic cylinder is introduced. Its operating principle and design method is described.

本文根据转炉气动挡渣器回转气缸的工作环境特点，对其气缸活塞的密封进行了改进设计。

This essay describes the application of the cylinder cram mechanism and the planetary gear system in the multi head anti stealing cover seal mechanism.

通过行星轮系-圆柱凸轮机构在多头防盗盖封口机中的应用，详细论述了其运动原理及设计要点。

Particularly the gap between the hydraulic pump, hydraulic motor and gearbox oil seals and hydraulic rotary cylinder reciprocating dynamic seal product quality most.

差距尤以液压泵、液压马达和变速箱用旋转油封及液压缸往复动密封的产品质量最甚。

The drawing cylinder of C7620 is very difficult to assemble and disassemble; the oil seal of the drawing cylinder is easy to wear down faster and causes leakage.

C7620车床的拉紧油缸在装配和拆卸时较为困难，密封圈磨损较快，且漏油现象严重。

At present, the problems of hydraulic cylinder is about serious internal leakage, seal failure, crawling and the short service life.

目前，回转窑所用的挡轮液压缸存在的问题是内泄大、密封失效、产生爬行及使用寿命低等。

They are designed to provide a secondary seal in the event the cylinder valve develops leakage through the valve seat.

它们是设计用来在钢瓶阀门通过阀座产生泄漏的情况下提供一个二次密封。

Check hydraulic cylinder operation and seal, replace seal if necessary.

检查液压油缸的动作与密封，需要时更换密封件。

Moreover, the obturating ring can reliably seal the cylinder and the end cover.

且密封圈能将筒体和端盖可靠的密封。

Teflon - lined pipe, casing, elbow, the three exchanges or four, size head, cylinder, air compressor - oxygen - ring, gasket seal ring and auto parts.

聚四氟乙烯内衬直管， 套管，弯头，三通，四通，大小头，筒体，空压机-制氧机- 活塞环、密封圈和汽配封圈。

The structure and seal principle of the seal components of HAGC cylinder and oil film bearing of backup roll were introduced.

介绍了HAGC油缸和支承辊油膜轴承用密封件的结构和密封原理，对两种大型进口密封进行了国产化研究，并成功用于实际生产中，密封效果良好。

Three mutual engagement of the screw in the pump cylinder for each lead of the formation of a sealed chamber, causing the seal between the suction mouth.

三根互相啮合的螺杆，在泵缸内按每个导程形成为一个密封腔，造成吸排口之间的密封。

This machine adopts hydraulic transmission, using ST foreign standards, thus ensuring the continuous operation seal not abate oil cylinder pressure and durable.

该机采用液压传动，使用ST国外标准密封件，从而保证连续运转时不减弱油缸压力，经久耐用。

Abstract: requirements for hydraulic steering rack cylinder are very high the rack cylinder should be durable lubricants preservable and of seal. So finish machining and parameter-set are necessary.

文摘：液压转向机对齿条杆部表面有很高的耐磨、储油、封存要求，为此需要一套表面超精加工工艺及加工参数设定。