在生产企业以内涵为主扩大再生产和推行经济责任制以后,企业围绕着提高生产能力、产品质量和工艺改革等所进行的更新和技术改造项目也随之增多。企业年投资规模,少则几十万元,多则几千万元。这类项目往往是采取边筹资金、边设计、边备料、边施工的办法, After the connotation of production enterprises is mainly expanded and reproduced and the economic responsibility system is implemented, the number of renovation and technological renovation projects carried out by enterprises around improving production capacity, product quality and process reform has also increased. Years of investment in enterprises, ranging from a few hundred thousand dollars, as many as tens of millions. Such projects are often taken to raise funds, while designing, preparation, construction methods,