摘要
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。
The precision of liquid column manometer was described. The correct use method and error correction of U tube manometer and double tube differential pressure gauge were analysed.
出处
《电站系统工程》
1997年第5期60-61,共2页
Power System Engineering
