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- The metal pipe is connected to the plastic pipe. 该金属管被接在了塑料管上。
- A GSHP that uses a buried plastic pipe loop as a heat exchanger. 一种用埋在地下的塑料管回路做热交换器的地源热泵系统。
- He took a long plastic pipe and fitted something into one end. 他拿出一根长塑料管,把一些东西装进管子的一头。
- Technical items - Naval supplies, Rina-approved rubber and plastic pipes, fittings and connectors,... 分类标题:水管安全阀橡胶和塑料管及管道...
- Ageing pressure in the shock impact plastic pipes, water hammer effect of prone burst. 老化的塑料管在水压的震动冲击、水锤作用下容易产生爆裂。
- PPS covers, plastic pipes pieces, plastic products manufacturing sales; Control of the watercourse, fittings wholesale, retail. pps井盖、塑料管件、塑料制品制造销售;水道管件、洁具批发、零售。
- Now there are high-quality plastic pipes, but the clean-range routes and the requirements are outdated, is behind the market. 如今已有高品质的塑料排水管,但清洁口及管径路线的要求仍是陈旧的,显得落后于市场。
- Plastics pipes and fittings - Determination of opacity. 塑料管道系统。不透明性测定。
- Zhejiang Chengxin Plastic Products Factory produces different specifications of plastic pipes made of PVC, PE and other available mateials. 浙江程塑料制品厂生产不同规格的塑胶管作聚氯乙烯、聚乙烯和其他材料可用.
- Plastic Pipes had considerably enhanced hoop strength, impact strength and resistance to fatigue from cyclic pressure by biaxially orientation. 由于双向拉伸增强管材在强度、耐热性、硬度、节约原料等方面优异的性能,使其具有广阔的开发应用前景。
- Shanghai Engineering Plastic Piping System Co., Ltd. 上海艾普勒管路系统有限公司。
- The suitable SJSZ thread twin-screw extruder and SJ single screw extruder can produce PVC, PP, PE plastic pipes and has the features of simple operation, effective production. 本机配套SJSZ锥形双螺杆挤出机及SJ单螺杆挤出机,可生产PVC、PP、PE等材料的各种塑料管材。具有操作简单、生产效率高等特点。
- When nanometer additive agent is added into plastic and the plastic is mixed and improved,the technical performance of the plastic pipes can reach the use standard in coal mines. 通过在塑料中加入纳米添加剂,进行混合改性处理,使塑料管材的技术性能达到煤矿井下的使用标准。
- The paper states the production and harmfulness of statical electricity in coalmines,statical electricity problems of mine plastic pipes and its prevention means. 着重介绍在煤矿静电的产生与危害;矿用塑料管道的静电问题;静电的防治措施。
- With the improved performance and economics of plastic pipes,much effort has been directed toward biaxially oriented polymer pipes in the past three decades. 鉴于双向拉伸管材具有良好的综合性能和性价比,几十年来国内外许多研究者开展了大量的研究开发。
- It illustrated the different application feilds of some kinds of plastic pipes and put forward some corresponding suggestions for the problems of application of PE pipes. 列举了几种塑料管道的不同使用范围,最后针对国内聚乙烯管道应用方面存在的问题提出了相关的建议。
- This paper states detailed the chemical and physical properties of multiunit tube with aluminous mold, introduces the advantages of it compared with other metal and plastic pipes. 本文对铝塑复合管的机械物理化学性能。
- The plumber made a careful check of the pipes. 管子工对管道做了仔细的检查。
- The pipe with hi-strength, and pressure and shock resistance together with the advantages of metallic and plastic pipes. 管材强度高,耐压耐冲击,具有金属管的强度,又有塑料管的柔性。
- Test Method for Cyclic Pressure Strength of Reinforced, Thermosetting Plastic Pipe (08. 增强的热固塑料管循环压力强度的试验方法(08。