Lü Mingji. Improvement of Cutting Blade of the Horizontal and Directional Drilling Machine[J]. Oil & Gas Storage and Transportation, 1992, 11(5): 12-13.
Citation:
Lü Mingji. Improvement of Cutting Blade of the Horizontal and Directional Drilling Machine[J]. Oil & Gas Storage and Transportation, 1992, 11(5): 12-13.