In an electron beam metal treatment furnace which may be adapted for other beam working processes by ready interchange of parts (see Divisions B1, B3 and H1), a metal foil 176 is bright annealed by means of an electron emitting filament 179 as it is wound between motor-driven spools 174,...
[0010] 2)固定架预装就位、调平、中心位置找正,用膨胀螺栓固定在混凝土垫层上; [0011] 3)用U型螺栓将地脚螺栓安装到固定架上、调整地脚螺栓的水平位置、竖向位置; [0012] 4)地脚螺栓与固定架焊接,完成安装。 [0013] 每个地脚螺栓分若干处通过... 陈明辉,张葆兰 - CN 被引量: 1发表: 0年 激光三维监测...