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延大重建二十六年来,建筑面积四万多平米,其中近一半是窑洞(包括土窑、石窑和接口窑)共二十六排五百三十一孔,约一万五千多平米。这些窑洞冬暖夏凉、节约能源;依山建造,节省耕地;就地取材,造价便宜;多半在山坡,都有院子,空气新鲜,宽敞眼亮。但是,也有许多问题,特别是操场六排窑洞更为突出。因此,改造窑洞,尤其是改造操场六排窑洞,成为广大师生和基建人员的共同呼
In the twenty-six years since Yanda’s reconstruction, the construction area was more than 40,000 square meters, of which nearly half were cave tunnels (including earthen kiln, stone kiln, and interface kiln) with a total of 26 rows of 531 holes and about 15,000 square meters. . These caves are cool in winter and cool in summer and save energy; they are built on the mountain to save cultivated land; local materials are used and the cost is cheap; most of them are on the hillside, and they all have yards, fresh air and spacious eyes. However, there are also many problems, especially the six rows of caves in the playground are more prominent. Therefore, the transformation of cave dwellings, especially the renovation of the playground six rows of caves, has become a common call for teachers and students and infrastructure personnel.