青云翻译

Construction team based on the information, the installation team for the base level elevation, axis, intervals and retest. In line with national standards before the next procedure. And two in the base surface of the vertical and horizontal axes indicate the cross line, column installation position

Basis of civil engineering-related information, install Team Foundation level elevation, axis, spaced repetition. Meet national norms before the next operation. And in the underlying surface marked with a vertical and horizontal cross the line of intersection of the two axis, as locating Datum of po

Basis of civil engineering-related information, install Team Foundation level elevation, axis, spaced repetition. Meet national norms before the next operation. And in the underlying surface marked with a vertical and horizontal cross the line of intersection of the two axis, as locating Datum of po