在毛主席革命路线指引下,首都工业和基本建设迅速发展。根据国家统一规划,北京市第二通用机械厂将扩建成为一个重型机械厂,生产国家急需的大型冶金、锻压设备和大型铸锻件,新建成的铸钢车间(图1),就是该厂扩建工程的重要组成部分。该工程是在原有厂房旁扩建的,建筑面积为9714平方米,共有30米、18米、24米三 Under the guidance of Chairman Mao’s revolutionary route, the capital industry and infrastructure have developed rapidly. According to the national unified plan, the Beijing Second General Machinery Plant will be expanded into a heavy machinery plant to produce large-scale metallurgy, forging equipment and large-scale castings and forgings that are in desperate need in the country. The newly built steel casting plant (Figure 1) is the expansion of the plant. important parts of. The project is an extension of the existing factory building with a building area of ​​9714 square meters, a total of 30 meters, 18 meters, and 24 meters.