middle hole construction method
Construction Contract for Construction Project
construction of long tunnel by means of driving from construction adits
Decreasing urban construction using land and increasing rural construction using land
Linking the increase in land used for urban construction with the decrease in land used for rural construction
A shrinkage method combining with medium-length hole and shallow hole
hole by hole blasting technique
hole by hole detonating
hole by hole initiating
hole by hole initiation
mid-and-deep hole combining shallow hole balsting
a+v ambiguous construction
advanced culture construction strategy