leakproofness
n. 密封性；严密性
例句
The results showed its good permeability, wonderful water -, and leakproofness.
结果表明，本剂渗透力强，防水阻漏效果好。
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。
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。
