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.
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。
This correction can also be used in the case of liquid as flow medium.
该校正方法也适用于以液体为流动介质时测定导流能力的试验。
The thermostatic super - thick liquid sample cells have been designed and the correction procedures for the diffraction intensity of window on the cell proposed.
设计了具有恒温功能的超厚液体样品池并建议池窗口强度的校正规程。
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