buried layer

Influence of Soil Thermal Conductivity on Insulating Layer Thickness of Directly Buried Steam Pipeline

土壤热导率对直埋蒸汽管道保温层厚度的影响

The characteristics of onshore shallow gas are buried layer, small volume, high pressure and danger.

陆上浅层气的特点是埋藏层位浅 、 体积小 、 压力高,危险系数大.

Design Methods of Tee Branch of Directly Buried Heat-supply pipeline Double Layer SAW Pipe with Large Diameter for Transmitting Oil and Gas

直埋敷设供热管道三通支管设计方法油气输送管道用大直径双层埋弧焊管

A new PSOI structure with ap-type buried layer is developed , which is called BPSOI.

提出了一种具有p型 埋层的PSOI器件耐压新结构, 称为埋层PSOI(BPSOI).

Spiral case with cushion layer relative to the water filling pressurization and buried type two kind of forms, has simple construction, saving investment, construction period is relatively short and other advantages, and in the domestic large and medium-sized hydropower station have been widely applied in.

垫层蜗壳相对于充水保压及直埋式两种形式，具有施工方法简便、节省投资、施工工期较短等明显优势，因而在国内大中型水电站中得到广泛应用。

A Brief Talk On Analyzing The Depth Of Thermal Insulated Layer Of Steamy Thermal Insulated Direct-Buried Pipe

浅谈优化分析蒸汽直埋管保温层的厚度

Design of double-layer air conduit with shallow-buried excavation method in Beijing subway

北京地铁浅埋暗挖双层风道设计