The relative wear rate of compacted graphite cast iron cylinder liner is 63%, as compared with a grey cast iron cylinder liner of the same B content.

蠕墨铸铁硼缸套铸件与灰铸铁硼缸套相比，蠕墨铸铁缸套的相对磨损率为它的63%。

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In the process of EDM, dielectric medium has remarkable influence on material removal rate, surface quality of the workpiece and relative electrode wear ratio.

电火花加工中，放电介质对工件的材料去除率、表面质量以及电极相对损耗率有重要影响。

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