These hazards threaten the safety operation of oil and gas pipelines. The analysis on formation mechanism of the loess geology is made and correspondent countermeasures against th…
在分析环境工程地质问题形成机理的基础上，提出了相应的防治措施。
These hazards threaten the safety operation of oil and gas pipelines. The analysis on formation mechanism of the loess geology is made and correspondent countermeasures against th…
在分析环境工程地质问题形成机理的基础上，提出了相应的防治措施。
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