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Oil and gas technology
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喷动流化床是
一
种新型的粉体造粒机
A spout-fluidized bed is a novel powder granulator
钻井技术进
一
步发展,已能适应油井作业的特殊环节,比如深井固井和水平井固井
Well drilling technique has been developed to adapt to the special process of well operation such as deep well cementation and horizontal well cementation
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