Qianqiu mirror refers namely to bronze mirror.
千秋镜指的就是铜镜。
The research achievements were applied to the dip coal pillar area of No. 21 mining district, Qianqiu coal mine successfully.
经千秋煤矿21采区下山煤柱区现场应用，效果良好。
Qianqiu Festival is a new holiday established by Tang Xuanzong, a product of affluent society and cultural prosperity in the Tang Dynasty.
千秋节是唐玄宗新置的节日，也是盛唐社会富庶和文化繁荣的产物。
As for the reason why the bronze mirrors were sent on Qianqiu Festival, it had another meaning except for congratulating on one's birthday.
至于为什么要在千秋节送铜镜，其中的原因除了祝寿之外还有另外一层含义。
With the already prepared Qianqiu mirror in their hand, all the state ministers were required of presenting the mirrors to Emperor Xuanzong.
群臣们个个手捧早已准备好的千秋镜敬献给唐玄宗。
Combining with the actual situation in Qianqiu coal mine, the technology for comprehensive gas treatment in spontaneously inflammable and specially thick coal seam is introduced.
结合千秋煤矿实际情况，介绍了易自燃特厚煤层瓦斯综合治理技术。
This paper stresses usable method effect and matters needing attention with even pressure technology, discuss usable situation of even pressure fire-extinguished in Qianqiu coal mine.
着重就均压技术使用的方法、效果及注意事项来论述均压灭火在千秋煤矿使用的情况。
This paper stresses usable method effect and matters needing attention with even pressure technology, discuss usable situation of even pressure fire-extinguished in Qianqiu coal mine.
着重就均压技术使用的方法、效果及注意事项来论述均压灭火在千秋煤矿使用的情况。
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