我国北方和西北干旱地区煤田自燃地质灾害比较严重。
The northern and northwestern parts of China, arid and in water shortage, are frequently attacked by coalfield selfcombustion geological hazard.
也为西北干旱地区土遗址的维修加固提供了一些思路和借鉴。
The experience may be provide some methods to the reinforcement of earthen sites in the northwestern China.
以上研究成果为西北干旱地区膜孔沟灌的推广应用提供了理论依据和技术指导。
The above research results provided the theories for the expansion application that the Film Bore Ditch of the northwest and dry region Irrigation according to and technique guidance.
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