通过快速模拟磨损试验发现铌铸铁油环耐磨性能比铬钼铜油环提高87.3%，并降低了油环的制造成本。

The results also find that wear resistance of niobium cast iron oil ring is 87.3% higher than that of CrMoCu alloy cast iron along with the cost reduction for niobium cast iron oil ring.

youdao

通过快速模拟磨损试验发现铌铸铁油环耐磨性能比铬钼铜油环提高87.3%，并降低了油环的制造成本。

The results also find that wear resistance of niobium cast iron oil ring is 87.3% higher than that of CrMoCu alloy cast iron along with the cost reduction for niobium cast iron oil ring.

youdao