1·Plastic pipes are often the cheapest and easiest to lay.
塑料水管通常是最便宜的也是最易安装的。
2·And their production machine belt and plastic pipes are more than 10 years of history.
并自己生产机用带及塑料管都有十多年的历史了。
3·Currently accepted use most is the PPR pipe, plastic pipes, such as aluminum composite pipe drain is PVC pipe.
目前公认使用最多的供水管是PPR管、塑铝复合管等，排水管是PVC管。
4·The aluminum-plastic pipe joint is applicable to the connection and installation of the aluminum-plastic pipes.
本实用新型适 用于铝塑管的连接和安装。
5·Measures flow through most metal and plastic pipes including PVC, ductile iron, carbon steel and stainless steel.
流经措施大多数金属和塑料管包括PVC，球墨铸铁，碳素钢和不锈钢。
6·This thesis, firstly, made an experimental study on the seepage flow both in air and oil with zippered plastic pipes.
本论文首先对拉链式塑料管大气、土壤中的渗流规律进行了试验研究。
7·Plastic pipes, mainly including PVC and PE plastic pipes, have been under promotion and application in China for dozens of years.
塑料管材在我国推广应用有几十年的历史了，主要以PVC和PE塑料管为主。
8·The cooling water plastic pipes have been widely used in concrete DAMS abroad, but only on the Ertan hydroelectric project in China.
将塑料水管作为大坝混凝土的冷却水管在国外已得到较广泛的使用，而国内仅在二滩水利枢纽中普遍使用。
9·This paper introduces the advantages of some kinds of new-type plastic pipes, and analyses their marketing situation and developing prospect.
介绍了建筑物外墙保温材料的技术，并对新型塑料建筑保温材料节能技术的开发和应用进行了叙述。
10·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。