共 50 条
- [33] Electronic drive of dredgers in interval activity ZEITSCHRIFT DES VEREINES DEUTSCHER INGENIEURE, 1936, 80 : 213 - 215
- [38] Mineral sands mining with hydraulic dredgers Aufbereitungs-Technik/Mineral Processing, 2002, 43 (05): : 15 - 28
- [40] Small dredgers become more sophisticated Dredging and Port Construction, 1995, 22 (09): : 33 - 34