Fully - sealed sample piece is one of important parts of leak detection equipment and its leakproofness directly affects accuracy of measurement.

“全密封样件”是压力型泄漏检测装置的重要组成部分之一，其自身的密封性直接关系到整个装置的测量精度。

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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。

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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。

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