OMI group, ligation of the circumflex coronary without subcutaneous polyethylene pipe;
陈旧性MI（OMI）组结扎冠状动脉左回旋支，无皮下置管；
Polyethylene pipe is very good material for engineering, and it is wildly used for gas engineering.
聚乙烯管道是一种优良的工程管道材料，在燃气工程上应用尤其广泛。
Electro-fusion is widely used in joint of polyethylene pipe, of which quality is very important to piping system.
聚乙烯管连接中大量使用电熔接头，其质量的好坏直接影响管道系统的安全。
Polyethylene pipe is highly evaluated in industrial area because of its property such as light weight, flexibility and easy installation work.
聚乙烯管道由于它重量轻，柔韧性好，易于安装，而使它在工业领域得到了高度评价。
This paper describes the construction, utilization, advantage and disadvantage of three kinds of trenchless techniques of lay polyethylene pipe.
论述了三种不挖沟敷设聚乙烯管技术的施工、应用和优缺点。
Describes the development and production status of polyethylene pipe resin at home and abroad as well as the development advances of new polyethylene pipe resins.
介绍国内外聚乙烯管材料的开发和生产情况，以及聚乙烯管材树脂的主要生产厂家。
This article also comparison with the several product with differ craftwork. In the end, this text forecast application foreground of cross-linked polyethylene pipe.
本文还对几种用不同工艺方法加工的PEX管材作了对比，预测了交联聚乙烯管材的应用前景。
The peeler for eliminating the polyethylene pipe oxidizing layer comprises a knife tool, which is characterized in that the peeler also comprises an underframe and a fixed bracket;
该聚 乙烯管氧化皮刮削器，包括刀具；其特征在于，还包括底架、固定架；
Ultra high molecular weight polyethylene pipe (UHMWPE)has excellent properties of impact-resistance anti-corrosion abrasion-resistance self-lubricating non-toxicity and low temperature resistance.
超高分子量聚乙烯（UHMWPE）管道具有优异的耐冲击、耐腐蚀、耐磨损、自润滑、无毒和耐低温等性能，其寿命是普通钢管的7～8倍。
The partition insertion in the process makes the polyethylene lining span inevitably, inside the pipeline, some gaps at host pipe joints.
穿插施工的分段作业使得聚乙烯内衬不可避免地要从管内跨越若干管道缝隙。
Polyethylene (PE) pipe is very good material for engineering, and it is wildly used for gas engineering.
聚乙烯管道是一种非常好的工程管道材料，在燃气工程上应用尤其广泛。
This paper analyzes the performance that the polyethylene lining resists the internal pressure of the pipeline at spanned gaps, during its insertion inside the old gas pipe.
分析了聚乙烯内衬管从旧燃气管道内穿插跨越管道缝隙处，聚乙烯内衬承受管道内压的性能。
The evaluation methods about polyethylene gas pipe were reviewed in this paper, some idea according to national situation in which city gas is transferred was submitted.
概述了聚乙烯燃气管长、短期性能的评价方法，并结合我国的实际情况提出聚乙烯燃气管用于输送国产人工煤气的评价建议。
The corrosion resistance and weatherability of color polyethylene coated steel pipe were investigated.
试验了彩色聚乙烯涂覆钢管的耐腐蚀性和耐气候性。
For the RCC high dam embedding high strength polyethylene cooling water pipe is studied.
对RCC高坝埋设高强度聚乙烯冷却水管技术进行了研究。
Basic knowledge of polyethylene material, pipe fittings specifications, pipeline construction specifications, technical points, management experience and design parameters.
聚乙烯材料基础知识、管材管件规格、管道的施工规范、技术要点、管理经验及设计参数。
The new color polyethylene coated steel pipe developed by applying this analysis has corrosion resistance in severe corrosion environments as well as long weatherability.
应用这些分析结果，不仅可使新的有色聚乙烯涂覆钢管在恶劣腐蚀环境介质情况下具有高的耐腐蚀性，而且有长的耐气候性。
A halogen-free flame-retardant and anti-static polyethylene material, a pipe and a preparing method thereof belong to the processing field of plastic pipes.
无卤阻燃抗静电聚乙烯材料、管道及其制备方法，属于塑料管道加工领域。
Polyethylene wall pipe with winding structure used in pipe jacking technology without slot is a specific material which can be applied to pipe jacking without slot on the ground.
不开槽顶管埋设技术聚乙烯缠绕结构壁管材专用料是一种可适用于地面不开槽，进行顶管施工的管材原料的专用料。
The inorganic composition of polyethylene material is simple, the conductive medium hardly exists, so that insulation are superior than traditional pipe.
聚乙烯材质因无机成分单纯，导电介质几乎不存在，因此在绝缘及耐电压性的表现上皆优于现有传统管材。
HPDE (high-density polyethylene) spiral pipe has a broad application prospect for its unique properties.
即高密聚乙烯螺旋管以其独特的优点，在工程中有着十分广泛应用前景。
The intercrossing method in repairing old metal pipes usually USES pipe-class high density polyethylene (HDPE) as lining plastic-underlayer pipes.
穿插法修复金属旧管道通常使用管材级高密度聚乙烯(HDPE)作为塑料内衬管。
The intercrossing method in repairing old metal pipes usually USES pipe-class high density polyethylene (HDPE) as lining plastic-underlayer pipes.
穿插法修复金属旧管道通常使用管材级高密度聚乙烯(HDPE)作为塑料内衬管。
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