seal tightness test

例句：

1. 1. The seal tightness test iscrucial for ensuring the integrity of the sealing system.
   密封紧密度测试对于确保密封系统的完整性至关重要。
2. 2. During the seal tightnesstest, the technician carefully inspected thesealing surface for any signs of wearor damage.
   在密封紧密度测试期间，技术员仔细检查了密封表面，以寻找任何磨损或损坏的迹象。
3. 3. Theseal tightness test results showed that thenew seal material performed significantly better than theold one.
   密封紧密度测试结果显示，新型密封材料的性能显著优于旧型。