tightness test
短语词组
- air tightness test 气密试验;气密性试验;气密测验考试
- air - tightness test 气密性试验
- seal tightness test [电子]密封性试验
- tightness test of transformer 变压器整体密封试验
- Tightness test pressure 气密性试验压力;致密性试验压力
- cavern tightness test 密封性检测方法
- vacuum tightness test 真空系统严密性试验
- Vacuum system tightness test 真空严密性试验 返回 tightness test