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- smooth on inside PVC double wall corrugated pipe pvc内光外波纹双壁管
- double wall corrugated pipe 双壁波纹管
- The processing, production equipment, main technical points and dosage design of double wall corrugated PVC pipe are introduced, and the results of faults and its solutions in production are analyzed. 介绍了生产聚氯乙烯(PVC)双壁波纹管的工艺流程、生产设备、工艺控制要点及配方设计,分析了生产中出现故障的原因,并提出解决措施。
- According to the characteristics of double wall corrugated filter well pipe and its failure,a calculation formula of its critical confining pressure was induced by using elastic stability theory. 针对双壁波纹塑料滤水管的结构及破坏特点,应用弹性稳定理论,推导了该种管材的临界围压力计算公式,并分析其影响因素,确定了实际耐围压能力。
- Sports racquets should be firmly "sandwiched" on the frame with strong double wall corrugated cardboard sheets, allowing at least 25 mm (6.4 Inches) of overlap. 球拍应被稳固地以“三明治”方式夹在强力双层瓦楞纸板中间;上下两张纸板间至少要有25毫米(6.;4英寸)的叠加。
- double wall corrugated fibreboard 双壁波纹纤维柄
- The twin wall corrugated pipes and the kinds of its material were mainly introduced, analysed and compared. The applied priority of PP large diameter twin wall corrugated pipes was emphasised. 主要介绍了双壁波纹管及其所用材料的种类并对它们进行了分析比较,重点介绍了聚丙烯树脂在大口径双壁波纹管上的应用优势。
- Main points for PVC double wall corrugation drain pipe construction 聚氯乙烯双壁波纹排水管施工要点
- This is a large on-going double wall pipe project. 这是一个很大的正在进行的双重管线项目。
- double- wall corrugated pipe 双壁波纹管
- Water-proof double wall lining canopy. 防水及防雨式双层钢板保护外罩。
- plastic corrugated pipe with double thin wall 双层薄壁塑料波纹管
- Double Wall: Threesheets of linerboard with two mediums in between. 双瓦楞纸板:二层芯纸夹在三层面纸之间。
- High-density polyethylene(HDPE) double-wall corrugated pipe is a new type of pipe with excellent performance. 高密度聚乙烯(HDPE)双壁波纹管是一种新型管材,具有优良的管道性能。
- Numerous jet fuel monitoring facilities for buried double wall pipe systems dating from the late 1980's to the present. 从80年代末到现在,我们给无数的军用机场燃料监控系统埋设双重地下管网系统。
- This is a manufacturer specializing in manufacturing machines of producing soft metal pipe, corrugated pipe and stainless steel pipe. 江苏?姜堰通用焊接机械设备厂是一家生产金属软管、波纹管及不锈钢设备的专业厂家。
- Presents the developing process, performance indexes, performance testing result and the application of HDPE corrugated pipe feedstock QHE16A/B. 介绍了HDPE波纹管料QHE16A/B的开发过程、产品性能指标、性能测试结果及用户使用情况。
- This sewage pipeline uses HDPE double-wall corrugated pipe, sandy gravel stratum foundation and U-type rubber washer joint. 该污水管采用HDPE双壁波纹管,砂砾垫层基础,U型橡胶圈接口。
- Double wall pipe is being used at this airport for a number of reasons but one major reason is pre-existing contamination. 机场用双层管道有很多原因,其中最主要的原因是预防污染。
- Most early installations have been in double wall pipes or tanks systems. 早期大多数都安装在双重管网和储油罐系统中。
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries