围岩的透气性
permeability of surrounding rocks
透气性
Permeability
gas permeability
air perameability
oxygen permeability
permeability gas
Breathability
venting quality
air permeation
Permeabitity
Anti-crease Property
the venting quantity
air permeability
Gas
coal briquette penetrability
Water-vapor Permeability
Cohesive
penetrability
air meter
gas penetration potential
permanent type well completion
air-permeable property
air permeabilit y
ventilation property
air conductivity
Permeable
gas barrier property
Diffusion property
water vapour diffusion
Ventilation
moisture absorption
water vapor permeability
synthetical permeability
吸湿透气性
hygroscopicity and air permeability
豕无气性肠炎杆菌
Bacillus expneumoenteritidis suis