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大同矿务局晋华宫矿南山井主扇位于举世闻名的云岗石窟附近,其噪声对周围环境干扰很大。1985年3月,《人民日报》曾刊出了《让云岗石佛睡安坐稳》的读者来信。为此,局矿委托中国建筑科学院物
Datong Mining Bureau Jinhua Gong Mine Nanshan Wells main fan located in the world-famous Yungang Grottoes near the noise of its interference on the surrounding environment. In March 1985, the People’s Daily published a letter from a reader who “let the Buddha go to sleep in Yungang.” To this end, Bureau of Minerals entrusted China Academy of Building Materials