... 三氟甲基卤代苯 trifluoromethylphenyl halides 直埋敷设管道 directly-buried pipe 伽玛分布 gamma distribution ...
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本文探讨和介绍了蒸汽直埋敷设管道的保温及保温层厚度计算方法。
The heat preservation and calculation method for thickness layer of directly-buried steam pipes are discussed and introduced.
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.
直埋敷设方式越来越广泛的应用于供热管道的敷设中。
The directly buried installation has been applying in the heating pipeline more and more.
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