| With such some advantages as high efficiency, low cost in unit, short construction cycle, the lowest emission, gas turbine has higher and higher place and develops quickly in generating equipment of power industry and accounts for 40-50% of newly increased energy especially in developed countries. In the meantime, as it is widely used in navigation, aviation and defense, its manufacturing and application technologies become more mature. Gas turbine, highly scientific and technological product of relevant diversification, has similar contents with steam turbine that is main product of DFSTW. At present, our government is actively advocating to development and application of gas turbine. Especially in implementation of "natural gas from west to east" project, demands for gas turbine are lifted on higher position. Through investigations and researches on technological development and market demands of gas turbine, and research on main choice as DFSTW that are introduction of technology and research & manufacture on gas turbine as well as investigations and analysis on development history and prospect of DFSTW, and measurable and qualitative analysis on technological innovation investment for research and manufacture of gas turbine, and after analyzing investment scale, benefit and risk of gas turbine, the text presents that investment project of technological innovation for gas turbine be feasible in technology and economy and the choice researching and manufacturing gas turbine is of important significance for development of DFSTW. The researched result has importantly referenced value for DFSTW's making-decision in technological innovation investment for gas turbine.
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