双层分采井 dual producer
双层抽油井 dual pumping well
两级推挽放大 dual push-pull amplification
双重运费制度 dual rate system
双减速比装置 dual ratio reducation
双接收器 dual receiver
双循环分流器 dual reciprocating diverter
双峰分布树脂 dual resin
双筒旋转式分流器 dual rotating diverter
双饱和度 dual saturation
双层预充填筛管 dual screen prepack
双密封 dual seal
双层抽油井 dual pumping well
两级推挽放大 dual push-pull amplification
双重运费制度 dual rate system
双减速比装置 dual ratio reducation
双接收器 dual receiver
双循环分流器 dual reciprocating diverter
双峰分布树脂 dual resin
双筒旋转式分流器 dual rotating diverter
双饱和度 dual saturation
双层预充填筛管 dual screen prepack
双密封 dual seal
双振动筛 dual shale shaker
对偶单纯型法 dual simplex method
双斜率模数转换器 dual slope AD converter
双源距热中子衰减时间测井 dual spaced thermal decay time log
双管井口装置 dual string head
双管注入 dual string injection
双管可收回封隔器 dual string retrievable packer
双管稠油泵 dual string thick oil pump
双油管井封隔器 dual string well packer
双重关税 dual tariff
双线放大器 dual trace amplifier
双线示波仪 dual trace oscilloscope
双示踪剂喷射器 dual tracer ejector
双钩 dual trailer
两层分采采油树 dual tree
双油管采油井口装置 dual tubing wellhead
复式捻线机 dual type twister
双单元处理机 dual unit processor
复式阀 dual valve
双阀抽油泵 dual valve pump
对偶变量 dual variable
双水法 dual water method
双水模型 dual water model
双水法快速直观解释 dual water quicklook interpretation
双筒井 dual well
双层同心管完井 dual zone concentric completion
双层砾石充填完井 dual zone gravel pack completion
双作用无杆气动泵 dual-acting rodless gas-actuated pump
双向测斜仪 dual-axis inclinometer
双轴万向接头 dual-axis universal joint