... 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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selective dual completion 选择性双层完井
twinstring dual-completion 双管两层完井
two-tubing dual completion well 双管双层分采完成井
dual completion well [油气] 双油管完井
dual completion well system 双层完井法
tubing dual completion well 双管双层分采完成井
dual zone concentric completion 双层同心管完井
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