Abstract: With the rapid development of the industrialization,our country's economy has shown early capital deepening.Especially,during the middle and late period of 1990s,capital-labor ratio rose greatly,at the same time the invest efficiency turn became worse,and the economy growth depended on excessively the fixed assets investment.This shows that the early capital deepening begins to affect our country economic further growing.The development trend of the heavy chemical engineering made capital concentrates more ...