Machinery designing and manufacturing technology is an important symbol which measures the developing level of national science and technology.Presently,China's machinery designing and manufacturing technology has got a rapid progress,however,compared with the traditional industrial developed countries,China lags far behind them.Due to various factors,China's manufacturing industry is bearing great pressure which the international market imposes on them.%机械设计制造技术是衡量一个国家科技发展水平的重要标志.近年来,我国的机械设计制造技术得到了长足的发展,但是,与传统工业发达国家相比,我们还存在着十分明显的差距.由于技术、管理、投入不足等多方面的的因素,我国的制造业正承受着国际市场的巨大压力.
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