... 三氟甲基卤代苯 trifluoromethylphenyl halides 直埋敷设管道 directly-buried pipe 伽玛分布 gamma distribution ...
基于6个网页-相关网页
directly buried pipe technique 直埋管道技术
prefabricated directly buried insulating pipe 预制直埋保温管
directly buried steam pipe 直埋蒸汽管道
directly-buried thermal pipe 直埋热力管道
directly buried heating pipe 直埋供热管道
The technique of directly buried steam pipeline such as insulation construction, insulating material, outside protective pipe, fixing support, compensator, and steam trap connections is discussed.
探讨了直埋蒸汽管道的保温结构、保温材料、外保护管、固定支座、补偿器、疏水装置等技术。
The characteristics of polyurethane foam used as insulating layer of prefabricated directly buried insulating pipe are introduced.
介绍了作为预制直埋保温管保温层的聚氨酯泡沫塑料的特性。
The working principles and methods of calculation of both compensated and non - compensated heating pipe lines are compared and the advantages of directly buried pipelines are pointed out in this pa…
并对有补偿和无补偿直埋供热管道的基本原理及计算方式进行了比较，介绍了直埋供热管道的优点。
应用推荐