短語詞組短語oil and gas relative permeability 油氣相對滲透率oil -gas relative permeability 油氣相滲Gas -water relative permeability measurement 氣水相對滲透率測定Unsteady -state oil-gas relative permeability measurement 油氣相對滲透率測定relative gas permeability 相對透氣系數(shù) 返回 gas relative permeability