随着当今世界科学技术飞速发展，经济结构加速重组，发达国家的综合竞争力继续增强，新兴工业化国家和发展中国家也在迅速进步。国际竞争越来越成为技术、质量、效益的竞争、加快我国工业结构的调整迫在眉睫。机械工业又是结构调整任务最为繁重、实现产业升级最为迫切的产业之 With the rapid development of science and technology in the world today, the economic structure has been accelerated and reorganized, the comprehensive competitiveness of developed countries has continued to grow, and the newly industrialized and developing countries are also making rapid progress. International competition has increasingly become a competition in technology, quality and efficiency. It is imminent to speed up the readjustment of China’s industrial structure. Machinery industry is the most structural adjustment tasks, the most urgent industrial upgrading industry