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 and polyethylene (PE)pressure pipes ; Test of leakproofness under internal 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 and polyethylene (PE)pressure pipes; Test of leakproofness under internal pressure when subjected to bending

聚乙烯(PE)压力管材和管件间的装配接头 弯曲时承受内压的密封试验

Assembled joints between fittings and polyethylene (PE)pressure pipes ; Test of leakproofness under internal pressure

聚乙烯(PE)压力管和配件间的装配接头.内压密封试验

Assembled joints between fittings and polyethylene (PE)pressure pipes; Test of leakproofness under internal pressure when subjected to bending

聚乙烯(PE)压力管和配件之间的装配接头.弯曲时的承受内压的密封试验

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

拟装液体的每个容器和中型散货箱,必须在下列情况下成功地通过适当的密封性试验,并且能够达到适当试验水平或各种型号中型散货箱规定的适当试验水平

Every packaging intended to contain liquids shall successfully undergo a suitable leakproofness test.

拟装液体体的每个容器,必须在下列情况下成功地通过适当的密封性试验。

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

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

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的非增塑聚氯乙烯(PVC)压力管配件.密封压力试验

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

本发明涉及一种纸尿裤，特别是一种防漏性能良好的纸尿裤。

Further, the utility model is characterized in good leakproofness and stable and reliable operation.

本实用新型还具有密封性好、运行稳定可靠的特点。

vacuum leakproofness

真空密封性

airtightness;sealing property;sealability;leakproofness

密封性