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。

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.

youdao

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。

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.

youdao