Some problems about buried plastics pipe are analysed in the paper.
解析有关塑料埋地排水管的一些疑问。
It is a kind of plastics pipe of energy saving and environmental protection.
是一种节能、环保型的塑料管材。
The author offers Suggestions and measures to develop and apply plastics pipe at home.
作者对我国塑料管今后的开发与应用提出了建议和措施。
The application of PLC and servo to the device for high speed plastics pipe shearing is introduced.
介绍了可编程控制器(P LC)和伺服系统在高速管材剪切装置中的应用。
The cooling process of plastics pipe extrusion was analyzed and modeled based on heat transfer theory.
基于传热学理沦，对挤出成型塑料管材的冷却过程进行了分析并建立了数学模型。
The weathering quality of plastics pipe is a valued question, which is relative with welding quality and mechanical fracture.
塑料管的耐老化性能及焊接质量与力学破坏有关，是需要重视的问题。
The welding quality test and performance assessment for pipes become more and more important with the application of engineering plastics pipe.
随着工程塑料管道应用的不断深入，管道的焊接质量检测及其性能评定成了一个重要的问题。
A working chart was constructed for calculating the loop stiffness of plastics pipes, which reflected the inherent characteristics of plastics pipe.
根据塑料管材环刚度计算公式绘编成计算图，该图显示出塑料管材的固有特性。
In Chinas plastics industry a pillar industry among the plastic pipe industry is also becoming one of them.
在中国塑料行业的支柱产业当中，塑料管道行业也逐渐成为其中的一员。
The plastics pressure pipe has enough pressure bearing capacity and rigidity to meet the actual use requirement within its proper range.
塑料压力管在其适用范围内，有足够的承压能力和刚性，满足实际使用的需要。
Is a professional production of large pipe extruder and various plastics machinery as one of the manufacturers.
是一家专业生产大型管材挤出机和各种塑料机械为一体的厂家。
ABS automatic plastics electroplating line is composed of frame, tank, pipe, ventilation, conducting system, cathode sweeping and other auxiliary equipments.
ABS全自动塑料电镀生产线主要由机架、镀槽、管路、通风、行车、导电系统、阴极移动及辅助设备组成。
The results revealed the changing laws of the velocity of waste plastics particles and gas, the volume fraction of the waste plastics along the pipe range in the course of pneumatic conveying.
模拟结果揭示了废塑料气力输送过程中废塑料颗粒速度、气体速度和颗粒体积分率沿管长的变化规律以及管径的改变对废塑料颗粒体积分率的分布和固气比的影响。
The flexible pips are made by one kind of steel alloyed and the macromolecule plastic composite pipe (lean pipe). The outer and inner layers of the pipe are coated composite plastics.
线棒——是由一种钢合金与高分子塑料的复合管，其外层与内层均为复合塑料涂层，通过粘合剂与中间层钢合金管道复合成一体的柔性管道。
The oil drum, the drum cover, the inflating pump, a main body of the spray gun and the liquid conveying pipe are made of plastics and a spray nozzle of the spray gun is made of metal materials.
油桶、桶盖、打气桶、喷枪的主体及液体输送管都是塑料制品，喷枪的喷嘴采用金属材料制造。
The high coefficient of thermal expansion and low rigidity of many plastics increases the risk that the pipe will lose its dimensional stability.
很多塑料的热膨胀系数高、刚性低，这增加了(塑料)管道失去空间稳定性的风险。
The raw materials supply, production and application situations for aluminum plastics compound pipe are introduced.
介绍铝塑复合管的原材料供应现状、生产状况和推广应用情况；
One holds that birds' brains make the same kinds of internal connections as do mammalian brains and that intelligence in both groups Reinforced Plastics Mortar Pipe from these connections.
一方坚持认为：鸟类大脑内部联系的方式和哺乳动物大脑一样，而鸟类和哺乳动物的智力都来自这种大脑内部的联系；
The application of polypropylene in building zone are reviewed, inclusive of pp pipe, pp fiber geotextile, pp fiber concrete and other pp plastics article.
综述了聚丙烯在建筑领域中应用，包括聚丙烯管材、聚丙烯土工布、聚丙烯纤维混凝土及其他制品在建筑材料中应用情况。
The advantage of UPVC plastics drain pipe and points for attention in fixing it are put forward.
介绍了硬聚氯乙烯排水管的优越性及施工安装中的注意事项。
The developing status, structure, properties, market, demand forecast of Al-plastics composite pipe(PE and AL) were introduced. The techno-economics and cost of the products were also evaluated.
论述了铝塑复合管材的性能、工艺技术进展，阐述了国内外铝塑复合管材的市场动态，并对该产品的经济效益进行了分析。
The result of production shows that the control precision is high and the reliability is good in the steel-plastics composite pipe prodution line.
应用结果表明，研究的钢塑复合管生产线控制精确高，可靠性好。
The utility model relates to a water pipe class, particularly a heat preservation copper water pipe covered with plastics.
本实用新型涉及水管类，特别涉及一种覆塑保温铜水管。
The main reinforcing rib is protected against being destroyed in the processing and applying process, thereby enhancing the ring stiffness of a straight ribbed pipe wound by glass-reinforced plastics.
保护了主加强肋在加工应用过程中不会受到破坏，从而提高塑钢缠绕直肋管的环刚度。
Anfeng pipe is a new type of pipe fittings Anhui industry research base, is specialized in polymer plastics research, development and production and marketing enterprises.
安丰管业是安徽省新型管材管件的行业研究基地、是专业从事高分子塑料研究、开发和生产及销售的企业。
Anfeng pipe is a new type of pipe fittings Anhui industry research base, is specialized in polymer plastics research, development and production and marketing enterprises.
安丰管业是安徽省新型管材管件的行业研究基地、是专业从事高分子塑料研究、开发和生产及销售的企业。
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