多层管道.测定长期强度 英文名称： Plastics piping systems - Multilayer pipes - Determination of long-term strength 页数： 8 采用标准： 被替代标准： 归口单位： 引用标准： ...
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常规的无粘结柔性管采用的是多层构造，主要为金属材料增强的热塑性管道衬里。
Conventional unbonded flexible pipe designs are a multi-layer construction based upon a thermoplastic pipe liner reinforced with metallic materials.
而在实际结构中，有很多的混凝土柱属于双向偏心受压，如管道支架和水塔的柱子，在地震区的多层框架柱等。
The actual structure, there are a lot of concrete columns are two-way eccentric, such as pipelines and cooling towers that support pillars, in the earthquake zone such as multi-storey frame columns.
多屏绝热辐射直埋蒸汽管道保温层由多层屏蔽反射层与常规保温材料制成。
The insulating layer of multi-screen insulated radiant directly buried steam pipeline is composed of multi-screens reflecting layer and conventional insulating material.
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