Change of name of the airport tunne to kai tak tunnel 更改“机场隧道”的名称为“启德隧道”的安排
2.
3 . on the basis of the ore mass conditions and the production reality in chengchao iron mine and in the light of many tunne 对程潮铁矿302m水平进行了矿岩工程质量分级,并对316m水平和330m水平进行了矿岩工程质量分级预测。