base barometer pressure 校准压力
deresidery barometer base 计量分配站
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Based on the base point measuring method of the barometer, the layout alternatives and the calculation theoretical basis of the ventilation resistance measurement in Baode Mine were introduced.
基于气压计基点测定法，介绍了保德煤矿通风阻力测定的布置方案和计算理论依据。
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