The precision of liquid column manometer was described. The correct use method and error correction of Utube manometer and double tube differential pressure gauge were analysed.
叙述了液柱式压力计的精度，对U形管压力计和双管差压计的正确使用方法及误差修正做了简要分析。
2
This model can be used to analyze thermal-hydraulic transient behaviour of inverted U-tube steam generators in PWR power plants.
该模型可用于分析压水堆核电厂U型管自然循环式蒸汽发生器的热工水力瞬态过程。
3
The supplier shall furnish at least two complete U-tube Quality Certificate and Test Data Reports according to the requirements of SA688/SA688M S3.