... dual column chromatography 双柱色谱 dual completion 双层完井 dual constraint 对偶约束条件 ...
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短语
选择性双层完井
selective dual completion
常规双层完井
conventional two zone completion
双层分采完井
two-zone single selection completion
双管两层完井
twinstring dual-completion
双层同心管完井
dual zone concentric completion
双管双层分采完成井
two-tubing dual completion well
双层砾石充填完井
dual zone gravel pack completion
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