随着国家机械工业局行业管理范围的扩展，机械工业已是包括汽车、电子、兵器、船舶、以及煤炭、石化、冶金、建材、建筑、电力、有色金属等相关机械在内的“大机械”概念，企业数量达 １０万多家。尽管本刊已自今年起改为半月刊，然而仍然感到未能及时反映“大机械”的全貌，同 With the expansion of the industry management scope of the State Administration of Machinery Industry, the machinery industry has become a “big machinery” including the related machinery such as automobiles, electronics, weapons, ships, and coal, petrochemical, metallurgy, building materials, construction, electric power and nonferrous metals, Concept, the number of companies reached more than 100,000. Although our magazine has been changed into a semi-monthly publication since this year, we still feel that it has failed to reflect the full picture of “Big Machinery” in time.