The design of piston ring depends on the rightly selected dimensions, so that the piston ring tension can meet the demand stipulated with its stress in the allowed range.
而活塞环的设计在于选择合适的尺寸，使活塞环弹力满足要求的同时应力也在许可范围内。
2
The technique and its principle of high temperature strain measurement are introduced to determine heat sleeve stress about rotor retaining ring of large turbogenerator.
本文简要介绍了高温应变测量原理和技术在大型汽轮发电机转子护环热套应力测试中的成功应用。
3
In this paper, the method of pulsating hydraulic test to relief retaining ringstress is introduced.