To ensure the progress and quality of the project, the Executive Board Package CM1A2 & CM1A3 proposed investor, JVA Consulting Supervision approved the Contractor uses aggregate shotcrete, gradation mortar anchor created box, stone anchors and materials for all kinds of gravel on the already approved in package 1A-2, the project construction investment Deo Ca pass tunnel through until the new grading of the project design approved
đang được dịch, vui lòng đợi..