chromium alloyˈkrəʊmi:əmˈælɔi短语¹⁰⁶¹⁰⁰⁺⁵ 基本例句 铬合金 Beginning with the performances of the low- chromium/span> alloy cast balls, the paper presents the advance in the application of low chromium alloy cast balls sections in wet grinding in mines. 本文从低铝合金磨球的性能入手，介绍了低铬合金铸球段在矿山湿式磨机的应用情况。 chemyq