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%。

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.

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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%。

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.

youdao