相关统计数据表明,2010年全国重型卡车销量由2009年的63万辆猛增到100万辆,增幅超过50%,而机场、高铁等大规模基建项目,给工程机械这一重型发动机应用大户提供了更多施展的 Relevant statistics show that in 2010, the sales volume of heavy trucks nationwide soared from 1 million vehicles in 2009 to 1 million vehicles, an increase of more than 50%. However, large-scale infrastructure projects such as airports and high-speed railways have provided construction machinery to large heavy machinery users More applied