计数管式快中子通量计
counter tube fast neutron flux meter
统计计数管的时滞
statistical counter time lag
管井井点降水
Dewatering and drainage design by pipe well points
dewatering and drainage design by pipe well-points
生产井-注入井井数比
producer-to-injector ratio
套管式井下换热器
downhole coaxial heat exchanger
同轴管式井下换热器
downhole coaxial heat exchanger