1) trapezoid piston ring
梯形活塞环
1.
The systematic error analysis of synthetically measuring the angle & width of trapezoid piston rings is carried out, and testing results of the accuracy and reliability of this measuring instrument are presented.
对梯形活塞环梯形角度及基圆高综合测量方法进行了系统的误差分析 ,并给出了仪器精度及可靠性指标的测试结
2) lap-joint piston-ring
阶梯形接口活塞环
3) stepped piston
阶梯形活塞
4) annular piston
环形活塞
5) annular piston
环形活塞<液>
6) system of ring piston source
环形活塞系统
补充资料：活塞环
见胀圈密封。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条