【摘要】 主要介绍了液柱压力计的正确使用方法和误差分析。给出了Ｕ 型管压力计和双管差压计的测量精度。更多还原

【Abstract】 The presentation of usage of liquid column manometer. The correct use method and error correction of U tube manometer and double tube differential pressure gauge were analysed.更多还原