我国近十几年来，预应力锚索加固技术已广泛应用于建筑结构物加固、边坡治理、大型地下洞室及深基坑支护等工程。
In our country near more than 10 years, the prestress anchor cable technique has been extensive applied in building, slope retaining and grotto.
龙游大型古地下洞室群虽然已保持了长达两千年之久的完整，但是现场调查发现，这些洞室存在着许多病害现象。
The Longyou large ancient underground caverns contains the long-term integrity about two thousands years, but the field investigations show that the caverns are being up against many diseases.
一个超浅埋大型古地下洞室群于1992年在浙江省龙游县被四个农民发现。
In 1992, four local peasants found large-scale ancient man-made shallow rock caverns in Longyou, Zhejiang.
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