自从2001年中国正式加入WTO以来,中国经济出现了新的发展局面。以汽车工业为代表的机械制造业不但重新焕发出生机和活力,出现供需两旺的喜人局面,更重要的是,产品研发技术和制造技术以超乎寻常的速度发展。以汽车工业为例,这几年各大汽车制造商憋足劲推新车,而且新车的设计水平 Since China officially acceded to the WTO in 2001, a new development has taken place in the Chinese economy. The machinery manufacturing industry represented by the automobile industry has not only regained its vitality and vitality, but also has enjoyed a booming supply and demand. More importantly, product development and manufacturing technologies have developed at an extraordinary pace. Take the automobile industry as an example. In recent years, major automakers have aggressively pushed new cars and the design of new cars