PVC Pipe with foamed sandwich layer is a new Piping material.

芯层发泡PVC管材是一种新型管道材料。

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As the hatch slowly closes, the weight rises inside a section of PVC pipe.

随着出口板缓慢合上，一截PV c管内的重量也增加。

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This paper mainly discusses the damaged PVC pipe maintenance methods-U the related content.

本文主要探讨受损PV C - U管道的维修方法中的有关内容。

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Investigators have communicated with the suspect through a length of PVC pipe that extends out of the bunker.

CNN: Alabama bunker suspect faced court date, neighbors say

And in between the brick walls, Davis remembers something else: A PVC pipe that ran from the bunker to the front of Dykes' property.

CNN: Inside the bunker: From storm shelter to boy's prison

You can take PVC pipe, and you can either use soil or you can use it hydroponically, but you just cut the ends of it.

NPR: Vegetable Gardening On A Budget