永巷是宫内一条狭长的小巷，起初是宫内供宫女、嫔妃所在的地方。后来，随着宫廷战争的深入，永巷就成了单独关押宫中女性犯罪者的监狱。
后宫犯罪的女性，还会被送往永巷、掖庭狱及暴室狱。
If court women crime, they would be sent to Yongxiang, Yeting prison or Baoshi prison.
文章通过对永华煤矿“三软煤层”煤巷矿压规律进行分析，提出了支护方案。
This paper puts forward support plan through analyzing strata behavior regularity of coal roadway in seam with soft roof, soft coal and soft floor.
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