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- seating time of piston rings 活塞环的磨合时间
- 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。
- 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。
- 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。
- 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。
- 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。
- Through reformatted the hydraulic p ressure system of centrifuge type HR500-N,it increases push force and time of piston to advan ce the performance of the machine. 通过对原HR500-N离心机液压系统的改进,使活塞推料力和推料次数增加,促使整机性能提高。
- 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。
- It was a time of great tribulation. 那是一段充满苦难的时期。
- The technical requiremen ts of piston rings,production equipments,compo-sition control,nodularizing a nd inoculating treatments,test results of microstructures and properties were i ntroduced. 介绍球铁活塞环的技术要求、生产条件、成分控制、球化处理、孕育处理,以及金相组织和力学性能检查结果。
- 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。
- Have you made sure of the time of the train? 火车开车时间你搞清楚了吗?
- It's so changeable at this time of year. 这段时间天气变化无常。
- I'll make sure of the time of the flight. 我要核实一下这班飞机的时间。
- 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
- She stopped by just to pass the time of day. 她来串门只是为了打发时间。
- He will never fall away even in time of danger. 他即使在危急时刻也绝不会放弃原则。
- Water is short at this time of year. 每年这个时候缺水。
- A Brief Study for Gap Alignment of Piston Rings 活塞环对口问题初探