标准编号：ISO 6627:2022
中文名称：内燃机 活塞环 膨胀机/油轨控油环
英文名称：Internal combustion engines — Piston rings — Expander/rail oil-control rings
发布日期：2022-02
标准范围
This document specifies the essential dimensional features of expander/rail oil-control rings, without providing a complete product description (because expander-rail designs vary from piston-ring manufacturer to piston-ring manufacturer, the interaction between the manufacturer and the client will determine specific design details).
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