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。
The zero and linearity characteristic of differential pressure transducer is corrected with method of water column correction to ensure higher precision differential pressure data.
采用水柱校正法对差压传感器的零点及线性特性进行校正以保证高精度的差压数据。
This paper analyzed the effect to structure aroused by differential settlement of underground continuous wall and column pile.
分析了围护结构和立柱桩差异沉降对于车站结构的影响。
NH2 column was used with the mobile phase of acetonitrile-water (75:25). The differential refractive index detector was used.
采用氨基键合硅胶柱，以乙腈-水(75∶25)为流动相，使用示差折光检测器。
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.
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。
Considering some factors of differential settlement and settlement after construction and roadbed stability, DJM column that treats the soft ground is chosen.
通过考虑差异沉降、工后沉降和路基稳定等因素，选用粉喷桩的处理方法处理软基。
Considering some factors of differential settlement and settlement after construction and roadbed stability, DJM column that treats the soft ground is chosen.
通过考虑差异沉降、工后沉降和路基稳定等因素，选用粉喷桩的处理方法处理软基。
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