短語詞組短語gaseous -phase chromatography 氣相色譜法gaseous s phase 氣相gaseous s phase radiochromatograph 氣相輻射色譜儀gaseous phase reaction 氣相反應(yīng)gaseous phase of soil 土壤氣相gaseous phase underbalanced drilling 氣相欠平衡鉆井gaseous phase catalysis 氣相催化gaseous phase polymerization 氣相聚合gaseous phase pipe 氣相管 返回 gaseous phase