...流行的各种塑料热水管都能胜任，目前常用的塑料热水管主要有交联状聚乙烯(PE-X),聚丁烯(PB), 交联状聚乙烯夹铝复合管(PEX-AL-PEX)，ABS，给水三型聚丙烯等品种，根据目前实际应用的情况，比较成熟和理想的是保温铜管、交联聚乙烯管，给水三型聚丙烯管。
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海洋综合管理 coordinated maritime management ; Integrated Ocean Management
综合管控危机 to comprehensively manage crises
项目组合管理 Project portfolio management ; Portfolio Management ; PPM ; project portfolio
城市地下综合管廊 multi-purpose networks for underground pipelines in cities
集合管 Manifolds ; air manifold ; air header ; Collecting duct
综合管理 General management ; [管理] integrated management ; Integrative Management ; comprehensive management
复合管 clad pipe ; multiple unit tube ; bimetal tube ; composited tube
铝塑复合管 PAP ; polyethylene-aluminum compound pipe ; PEX-Al-PEX ; PE-AL-PE
组合管理 Portfolio Management ; ITPM ; Credit Portfolio Management ; Product portfolio management
根据对复合管的基本假设，分析了复合管液压胀合过程中的受力状态。
In this paper, according to the basic supposition, the load state of the clad pipe is analyzed during the process of the hydro-forming.
采用弹性力学理论及正交各向异性材料三维弹性理论，利用相应的强度准则对复合层合管进行强度分析计算。
The strength analysis and calculation have been achieved by use of the linear elastic theory, elastic theory of 3 dimension orthotropic materials and relevant strength criterion.
初生合点吸器沿着胚珠的维管组织分支。
The primary chalazal haustorium ramifies around the vascular tissues of the ovule.
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