短語詞組短語dual induction focused log instrument 雙感應(yīng)聚焦測井儀;雙感應(yīng)聚焦測井下井儀DIFL Dual Induction Focused Log 雙感應(yīng)聚聚測井induction spherically focused log 感應(yīng)dual induction spherically focused log 雙感應(yīng)球形聚焦測井dual induction -focused log resistivity ststem 雙感應(yīng) 返回 focused induction log