The main reason of lower wear rate of multi-infiltrated high carbon steel and alloy cast iron is that the hard multiple compounds and graphite formed on the surface of the bush have good anti-wear and lubrication function.是什么意思_The main reason of lower wear rate of multi-infiltrated high carbon steel and alloy cast iron is that the hard multiple compounds and graphite formed on the surface of the bush have good anti-wear and lubrication function.在线翻译_英语_读音_用法_例句