plastics pipe

a new equation for friction loss along the plastics pipe of micro-irrigation with variation in water temperature

考虑水温变化的微灌塑料管沿程水头损失计算公式探讨

The technological characteristics of the spare parts of three-way straight plastics pipe are analyzed, putting stress on the characteristics of the products by gating injection mould with side core pulling mechanism.

分析了三通直管塑件的工艺特点，主要分析了浇口注射模成型并且带侧向抽芯机构制品的工艺特点；

new developments of technology for plastics pipe system in various applications were introduced.

介绍了各个应用领域塑料管道系统近年技术发展的新动向。

this product is spiral rid reinforcing plastics pipe. the internal surface of the pipe is smooth, bright, soft and abrasion-resistant.

本产品是塑料螺旋加强支撑管.塑料管内平滑、光亮、柔软和耐磨。

opportunity and challenge for development of plastics pipe in the 21st century

21世纪塑料管材发展的机遇与挑战

construction technology of aluminum-plastics pipe

浅谈铝塑管施工技术

standard specification for polyethylene plastics pipe and fittings materials

聚乙烯塑料管及其配件用材料的标准规范

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。

current situation and development trend of plastics pipe industry in china

我国塑料管道产业的现状和发展趋势

technical characteristic and advance of plastics pipe

塑料管道的技术特性与进展

application and development of plastics pipe technique

塑料埋地管技术的应用与发展

analysis of some problems about buried plastics pipe

解析有关塑料埋地排水管的几个疑问

all the plastics pipe system is a good example of the latter. this uses a plastic service pipe instead of the usual steel or copper pipe.

后者的最好例子是所有管路系统采用塑料管，用塑料管来代替通常用的钢管和铜管。

Application of PLC to Pressure Test System for Plastics Pipe

PLC在塑料管材持久耐压测试系统中的应用

Methods of Welding Quality Test and Performance Assessment for Engineering Plastics Pipe

工程塑料管道焊接质量检测和性能评定方法

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。

advance in biaxially orientated plastics pipe equipment

双向自增强塑料管材成型装置的研发进展