主要生产和经销活塞环及气门座圈。
Major production and distribution piston rings and valve seat.
检查进[排气门和气门座圈是否磨损或损坏；
Check into[whether friendly mount circle in the thumb latch in the air dishcarge thumb latch abrades or damages;
气门导管，气门座圈，气门锁片，气门弹簧座，铸件系列。
Valve Guide, Valve Seat, Valve Lock, Valve Spring Retainer, Casting Products.
主要产品：活塞环，缸套，气门座圈和活塞等汽车零配件。
Main products: piston ring, cylinder liner, piston etc, auto parts.
离心铸造高铬铸铁气门座圈能满足大功率内燃机的使用要求。
So the centrifugal casting high Cr cast iron can meet the use requirements of the engine valve seat.
对目前气缸盖气门座圈和导管孔的几种一般加工工艺进行讨论。
Discussing several ordinary processing technologies of valve seat ring and valve stem guide hole of cylinder head now.
对影响气缸盖气门座圈和气门导管孔的加工精度的诸多因素进行分析。
Analyzing the many factors of affecting the processing precision of valve seat ring and valve stem guide hole of cylinder head.
本文介绍了一种新型的用于气门座圈密封带加工的镗车头，就其结构及工作过程做了较详细的阐述。
This paper introduces a new device of boring the valve-seat and gives the relatively detailed explanation of the device's structure and working-process.
采用力学、物理性能测试，金相、扫描电镜、能谱和X衍射分析研究了气门座圈产品失效的主要原因。
The failure of the powder metallurgy valve seat was analyzed by optical microscopy, scanning electronic microscopy, X-ray energy spectrum and X-ray diffraction.
阐述了气门座圈的工作环境和磨损机理，高品质气门座圈的关键在于恰当的材料选择和零件的合理设计。
The paper explains the working environment and wear mechanism of valve retainer. The key factors for superior valve retainer quality are the proper material selection and reasonable part design.
阐述了气门座圈的工作环境和磨损机理，高品质气门座圈的关键在于恰当的材料选择和零件的合理设计。
The paper explains the working environment and wear mechanism of valve retainer. The key factors for superior valve retainer quality are the proper material selection and reasonable part design.
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