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- ends of piston ring 活塞圈末端
- Determine installation direction of opening of piston ring as specified (see Figure 16). 活塞环开口安装方向亦应按规定，见图16。
- This paper analyses the patterns and reasons of piston ring wear and ineffectiveness and proposes some countermeasures. 本文对活塞环磨损失效的形式及原因进行了分析，并提出预防措施。
- The influence of sand & dust and low pressure on dynamics of piston ring was studied. 研究了西部低气压及沙尘环境对于活塞环动力学的影响。
- Employ various nitrding technologies including gas nitrding,ionitriding,brine nitriding to meet the specific situations of piston ring producion. 拥有多种氮化技术工艺包括气体氮化、辉光离子氮化和盐浴氮化，从而大大地保证了活塞环各环别采用最合理的处理工艺。
- Aiming at the problem of the low discharge pressure and unsatisfying air displacement of compressors,the material property and structure of piston ring is remoulded. 针对压缩机排气压力偏低,排气量达不到额定要求等问题,对活塞环的材质和结构进行改造,采用聚酰亚胺活塞环,保证了设备正常运转
- Production of piston rings for hydraulic appl.;transmissions;compressors etc. 还生产用于液压、传输和压缩机等环境的活塞环。
- A new method to design the free shape of piston ring is described in this paper.Without the simplifications that adopted in the three traditional design methods,this method is of a high accuracy. 提出了一种新型活塞环型线设计方法，该方法未采用传统3种设计方法的简化过程及近似方法，故计算精度高；
- By analyzing heat transfer process of piston ring in a reciprocating compressor and considering the friction heat,the temperature distribution of a ring is deduced by an energy balance equation. 通过分析活塞压缩机活塞环的传热过程,并将摩擦热计算在内,利用能量平衡方程推导活塞环的温度分布。
- It's natural to slack2 off towards the end of a hard day's work. 一天紧张工作快结束的时候有些放松是自然的。
- The company declared a large dividend at the end of the year. 公司在年底宣布分发高额股息。
- They are most graphite cast iron and steel.The performance of piston ring can be improved by surface treatments such as plating chromium,nitriding,spraying molybdenum and spraying ceramics. 球墨铸铁和钢材已经成为活塞环的基本材料,采用表面处理方法如镀铬、氮化、喷钼、喷涂陶瓷层等工艺进行表面改性来提高活塞环的使用性能。
- Still the loose ends of the war need to be tied up. 战后尚未解决的一些零星问题仍然需要完成。
- Are there any exams at the end of this term? 这个学期期末有考试吗？
- 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 rent is due at the end of each quarter. 缴纳租金以每季度末为期限。
- 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。
- A year in America will cost you no end of money. 在美国住一年要花很多的钱。
- It's no fun to find oneself at the end of the rope. 山穷水尽，可不是好玩儿的。
- The results show that the nitriding distortion of piston rings is mainly caused by the residual compressive stress in nitrided case of the external circle working face. 结果表明,活塞环的渗氮畸变主要是由于活塞环外圆工作面渗氮层的残余压应力导致。
