The utility model is suitable for testing the plastic pipe in the hydrostatic test and the blasting test.

本试验装置适用于静压试验和瞬间爆破试验检验塑料管材。

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The main properties of RPM pipe are introduced and compared with the properties of the plastic pipe, steel pipe, ductile iron pipe and reinforced concrete pipe.

本文介绍了RPM管的主要性能，并与塑料管、钢管、球墨铸铁管及钢筋混凝土管的相应性能作了分析和比较。

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The cross sections of the plastic pipe, the heat-insulating layer and the aluminum foil are round as optimization, and the heat-insulating layer is made of PE foam materials.

作为优选，所述塑料管、保温层和铝箔的截面为圆形，保温层为PE泡沫材料。

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Neighbor Michael Creel said Dykes put the plastic pipe underground from the bunker to the end of his driveway so he could hear if anyone drove up to his gate.

NPR: Ala. Town Mourns For Bus Driver Amid Standoff

Negotiations are being carried out between the suspect and authorities through a 60-foot plastic ventilation pipe that leads from the bunker, authorities said.

CNN: Amid standoff, Alabama town mourns slain bus driver

For days, officers communicated with Dykes through a plastic pipe that rose up from the bunker, which was similar to a tornado shelter and apparently had running water, heat and cable television.

NPR: FBI: Ala. Captor Rigged Bunker, Waged 'Firefight'