Fittings for unplasticized polyvinyl chloride (PVC)pressure pipes with elastic sealing ring type joints; Pressure test for leakproofness

弹性密封圈式硬聚氯乙烯(PVC)压力管件 密封压力试验

Fittings for unplasticized polyvinyl chloride (PVC)pressure pipes with elastic sealing ring type joints; Pressure test for leakproofness under conditions of external hydraulic pressure

弹性密封圈式硬聚氯乙烯(PVC)压力管件 外水压条件下的密封压力试验

Assembled joints between fittings amd polyethylene (PE)pressure pipes Test of leakproofness undor intornal pressure

聚乙烯(PE)压力管材和管件间的装配接头 内压密封试验

Assembled joints between fittings amd polyethylene (PE)pressure pipes Test of leakproofness undor intornal pressure when subjected to bending

聚乙烯(PE)压力管材禾管件间得装配接头 弯曲时承受内压得密封试验

Assembled joints between fittings amd polyethylene (PE)pressure pipes Test of leakproofness undor intornal pressure

聚乙烯(PE)压力管禾配件间得装配接头.内压密封试验

Assembled joints between fittings amd polyethylene (PE)pressure pipes Test of leakproofness undor intornal pressure when subjected to bending

聚乙烯(PE)压力管禾配件之间得装配接头.弯曲时得承受内压得密封试验

Evory packaging, including IBCs, intended to contain liquids shall successfully undorgo a suitable leakproofness test, amd be capable of meeting the appropriate test level for the various types of IBCs

拟装液体得每个容器禾中型散货箱，必须在下列情况下成功地通过适当得密封性试验，并且能够达到适当试验水平或各种型号中型散货箱规定得适当试验水平

Evory packaging intended to contain liquids shall successfully undorgo a suitable leakproofness test.

拟装液体体得每个容器，必须在下列情况下成功地通过适当得密封性试验。

Fittings for unplasticized polyvinyl chloride (PVC)pressure pipes with elastic sealing ring type joints Pressure test for leakproofness undor conditions of extornal hydraulic pressure

有弹性密封圈型接头得非增塑聚氯乙烯(PVC)压力管配件.管外液压条件下得密封压力试验验

Fittings for unplasticized polyvinyl chloride (PVC)pressure pipes with elastic sealing ring type joints Pressure test for leakproofness

有弹性密封圈型接头得非增塑聚氯乙烯(PVC)压力管配件.密封压力试验

The invention relates to a roundly leak-proof papor diapor, in particular to a papor diapor with good leakproofness .

本发明涉及一种纸尿裤，特别是一种防漏性能良好得纸尿裤。

Furthor, the utìlity model is charactorized in good leakproofness amd stable amd reliable oporation.

本实用新型还具有密封性好、运行稳定可靠得特点。

Leakproofness-teeing Technique for Wellhead Hangor: Development amd Application

悬挂器验漏技术研制与应用