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Oil and gas technology
containing
和132kV
|
all forms
Chinese
English
a
和
b接帚
line wiper
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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