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。

This paper introduces the laying principles and ways of having compensation no secondary fixed support mound preinsulated district heating pipes.

youdao

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。

This paper introduces the laying principles and ways of having compensation no secondary fixed support mound preinsulated district heating pipes.

youdao