造纸行业的投资者希望持续提高投资回报,因此,工厂希望用过程控制来减少操作成本,提高产品质量。他们投入大量的资金引进测量和控制技术以提高生产效率、减少或消除次品和废品。虽然这些技术确实有极好的初始效果,但大多数情况下,这种结果不能维持在试车的水平,原因之一是人们? Investors in the paper industry hope to continuously improve their return on investment. Therefore, the factory hopes to use process control to reduce operating costs and improve product quality. They invested heavily in the introduction of measurement and control technology to increase productivity and reduce or eliminate rejects and rejects. Although these techniques do have excellent initial results, in most cases this result can not be maintained at the test run, one of the reasons people?