长效试验与例行试验北京新立机械厂雷云辉伴随现代科学技术的发展，人们可以通过作例行试验来考核产品的使用寿命，从而不断改进提高自己产品的性能，达到延长使用寿命的目的。在经济建设中产品延寿具有不可估量的重要性，例行试验日趋被人们所重视。然而，我们必须正确对... Long-term test and routine test Beijing Xinli Machinery Factory Lei Yunhui With the development of modern science and technology, people can make routine tests to assess the service life of the product, so as to continuously improve and enhance the performance of their products to extend the service life purpose. In economic construction, product longevity is of immeasurable importance. Routine tests have drawn increasing attention. However, we must correct ...