前言在毛主席无产阶级革命路线指引下,在上级党组织的领导和支持下,我们坚持实践第一的观点,到各个行业深入调查研究,按不同的各种机械性能和用途,因陋就简,反复试验,分别试制了一些要求条件较高的高温高强度,耐磨的加钛铝合金。 Foreword Under the leadership of Chairman Mao’s proletarian revolutionary line and with the leadership and support of the party organizations at the higher levels, we insist on practicing the first point of view and conducting in-depth investigations and studies in various industries. Depending on the various mechanical properties and usages, we can simply and repeatedly test , Respectively, trial of some of the higher requirements of high temperature and high strength, wear-resistant plus titanium aluminum alloy.