共 50 条
- [1] Accuracy in the jig-boring of small-diameter holes Soviet engineering research, 1989, 9 (05): : 118 - 119
- [3] GUIDED MICROTUNNELING EQUIPMENT FOR SMALL-DIAMETER UTILITY INSTALLATION TUNNELS AND WATER, VOLS 1-3: WATER AND ITS INFLUENCE ON THE DESIGN, CONSTRUCTION, AND EXPLOITATION OF TUNNELS AND UNDERGROUND WORKS, 1989, : 1151 - 1158
- [4] Guided microtunnelling equipment for small-diameter utility installation Mercer, J.E., 1600, (04):