青云翻译

Well dewatering applications in the gravel layer in the Luo (yang) and New South [j]. Western Exploration Engineering 47 -50.

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The tube well precipitation (positive) south in west newly developed area pebbles level application (J). prospects the project in the Luo river, 47-50.

tube-wells precipitation in south Los Angeles (yang) in new areas of application layer pebbles [ ] J prospecting works, and the western region, 47-50.

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