Dunhuang feast with three green modern diet, nutrition, health, elegant request, during which the ancient Dunhuang music and dance dedicated to the show, and feastxiang ying cheng qu people pleasing.

敦煌三大宴具备了现代饮食的绿色、营养、健康、典雅的要求，席间专门有敦煌古乐舞的表演，与宴席相映成趣，使人赏心悦目。

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Through the comparison of technical economy, this paper has analysed the proper layout of individual beds or separate groups for multiple seams of thin and medium thickness in the Ying Cheng Colliery.

本文通过技术经济比较，对营城煤矿条件下，薄及中厚煤层群采区分层或分组的合理布置方式作了分析。用经济分析法确定了在这种条件下采区分组布置的合理界限。

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