dual log-periodic antenna 双对数周期天线

dual induction log 双感应测井

dual doppler log 二元多普勒计程仪

dual spaced neutron log 双源距中子测井

dual-spaced density log 双源距密度测井

dual induction focused log instrument 双感应聚焦测井仪 ; 双感应聚焦测井下井仪

dual induction spherically focused log 双感应球形聚焦测井

Dual-lateral log 双侧向测井

dual induction log inversion 双感应测井反演

dual induction focused log 双感应聚焦测井