Direct Drill®
ฝัง
- เผยแพร่เมื่อ 18 เม.ย. 2021
- “In search of new and effective ways to lay pipelines and cables, VLTT has developed an innovative way: Single step pipeline installation. The principal of Direct Drill® is on the well known and proven technologies of Horizontal Directional Drilling (HDD) and microtunneling "
