９０年代机械工业材料关键技术机械工业部最近发布了９０年代机械工业关键技术，总共３７项。其中６项属材料技术，它们分别是：１．超临界火电机组关巴零件材料应用技术包括：具有更高高温强度的材料及应用技术；锅炉过热器、再热器材料高温抗腐蚀性研究；异种钢焊接接头... Machinery machinery industry in the 1990s the key technology Machinery Industry Ministry recently released the 90’s key technology machinery industry, a total of 37 items. Six of them are material technologies, which are: 1. The application technology of the material of the supercritical thermal power unit to close the Pakistani parts includes: materials and application technology with higher high temperature strength; high temperature corrosion resistance of boiler superheater and reheater materials; dissimilar steel welded joints ...