英语词汇“rodless reverse circulation rig”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	rodless reverse circulation rig
释义	rodless reverse circulation rig 无钻杆反循环钻机
随便看	activated vitamin d activated waster rubber powder activated water activated wet fly ash activated white clay activated wood charcoal activated xsl activated zeolite activated zinc flower activated zinc oxide activated zinc phosphate activated zymosan activate energy activate English classroom atmosphere activate fast-time activate fluids activate Grid activate grid object activate home grid Activate Human Capital with Systems activate indication activate key activate-kill element activate mechanism activate object