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1·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。

2·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。

3·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。

4·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。

5·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。

6·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。

7·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。

8·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。

9·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。

10·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。