标 准 编 号：BS ISO 3601-4-2008简体中文标题：液压动力系统.O形密封圈.抗挤压密封圈(支撑密封圈)繁体中文标题：液压动力系统.O形密封圈.抗挤压密封圈(支撑密封圈)English Name：Fluid power systems - O-rings - Anti-extrusion rings (back-up rings)...