This paper introduces the laying principles and ways of having compensation no secondary fixed support mound preinsulated district heating pipes.
介绍了有补偿无次固定支座直埋热力管道的敷设原理与方法。
To save on fuel consumption, the city began laying heating pipes to form an underground heating grid - so-called district heating.
为了减少燃料消耗，该市开始铺设供热管道，建起了一个地下供热网，即区域供热体系。
To save on fuel consumption, the city began laying heating pipes to form an underground heating grid - so-called district heating.
为了减少燃料消耗，该市开始铺设供热管道，建起了一个地下供热网，即区域供热体系。
应用推荐