Piston rings not sealing (oil being consumed by the engine).
活塞环没密封(引擎用油)。
Thus, piston rings must be used to provide the necessary seal.
所以活塞环就用来提供必要的密封。
Major production and distribution piston rings and valve seat.
主要生产和经销活塞环及气门座圈。
Check the slide faces of the piston rings and stuffing box rings.
检查活塞环以及填料函圈的滑动面。
If any worn-out piston rings are found, the serious ones will be renewed.
假如发明有磨损的活塞环，磨损严重的要换新。
WE NEED Piston rings for Japanese, German, etc cars and trucks. PLS contact us.
我们需要用于日本、德国等车型的活塞环，请联系我们。
Main: various models of motorcycle pistons, piston rings, cylinder sleeve, cylinder.
主营：各种型号摩托车活塞、活塞环、套缸、缸体。
There appear cracks and chunk peelings in the chrome-plated layer of these piston rings.
活塞环镀铬层有裂纹和块状剥落。
The paper analyzes the causes of short operation period and quick abrasion of piston rings.
对氧压机运行周期短， 活塞环磨损过快进行原因分析。
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。
On these pistons the number piston rings was reduced to three, two compression and one oil-control.
在这些活塞中，活塞环的数量减少到三个，即两个气环，一个油环。
Inoculation effects of RE-containing inoculant used for cylinder castings of piston rings was studied.
研究了稀土复合孕育剂在灰铸铁筒体活塞环中的孕育效果。
The piston rings carried in the ring groove are of two basic types: compression rings and oil-control ring.
安装在环槽中的活塞环有两种类型：压缩环和机油环。
Inside and outside rounds of piston rings are heterogeneous surfaces, which require high precision in size.
活塞环的内外圆都是异形表面，且尺寸精度要求高。
The materials, casting processes and surface treating technique of cast iron piston rings were described in detail.
详细叙述铸铁活塞环的材料、铸造方法和表面处理技术。
In simplest terms, piston rings are thin, circular pieces of metal that fit into grooves in the tops of the pistons.
简单地讲，活塞环就是装在活塞顶部的凹槽里的薄，圆的金属。
The cause of over-pressure in Diesel Engine includes fracture on piston, fracture of piston rings and cylinder wear.
通过对机车柴油机超压现象的原因分析，得出导致柴油机超压的原因有：活塞顶裂纹、活塞气环折断、气缸套磨损。
Blowby is basically the leakage of compressed air-fuel mixture and burned gases past the piston rings into the crankase.
窜气，基本上是被压缩的空燃混合气和燃烧后的气体的泄漏，它通过活塞环进入曲轴箱。
The work principle and structures of backpressure piston rings and integral non-backpressure piston rings were expounded.
分别对开口有背压活塞环和整体无背压活塞环的工作原理和结构作了阐述。
The design of integral non-backpressure piston rings was studied in order to reduce wear and to raise the piston ring life.
为了减少磨损，提高活塞环的使用寿命，对整体无背压活塞环的设计进行了研究。
Instantaneous temperature field of piston rings and oil film, seldom mentioned by previous researchers, has been concluded.
得出了以前很少人涉及的活塞环和油膜处的瞬态温度场。
The piston lands are parts of piston between the ring grooves. The lands provide a seating surface for the sides of piston rings.
活塞环槽岸是活塞环槽之间的部分。其为活塞环边提供支持面。
It can improve the lubrication performance between cylinder liner and piston rings and enhance the rigidity of cylinder wall farthest.
该方法能够更好地改善缸套和活塞环的润滑性能并能提高缸套的表面硬度。
An instrument that measures the outer profile parameters of piston rings such as conical rings, tubbish rings by scanning is introduced.
介绍一种采用扫描方式测量锥面环、桶面环等活塞环外圆轮廓参数的测量仪。
Metal elastic force ring inside piston rings can add initial elastic force of the non-metallic piston ring to get expectative seal effect.
在活塞环的内侧设置金属的弹力环增加非金属活塞环的预弹力，可到达预期的密封效果。
Upper and lower piston rings are arranged inside a piston gaseous ring groove, and openings on the two-piece piston rings are mutually staggered.
在一个活塞气环槽内设有上下二片活塞环，二片活塞环上的开口相互错开。
Upper and lower piston rings are arranged inside a piston gaseous ring groove, and openings on the two-piece piston rings are mutually staggered.
在一个活塞气环槽内设有上下二片活塞环，二片活塞环上的开口相互错开。
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