论文部分内容阅读
随着社会经济的不断发展,建筑业近几年在各方面都有了突破性的发展,尤其是新技术,新材料的不断推出,更为建筑业的发展提供了强有力的支持。PPR铝塑稳态管的出现及日益推广就是一个极为典型的例子。
With the continuous development of society and economy, the construction industry has made breakthroughs in all aspects in recent years. In particular, the continuous introduction of new technologies and new materials has provided strong support for the development of the construction industry. The appearance and promotion of PPR aluminum-plastic steady-state pipe is an extremely typical example.