| 释义 |
walking dragline
walking dragline n (Mining & Quarrying) a very large-capacity dragline mounted on feet or pads instead of tracks. See dragline2 walking dragline
walking dragline[′wȯk·iŋ ′drag‚līn] (mechanical engineering) A large-capacity dragline built with moving feet; disks 20 feet (6 meters) in diameter support the excavator while working. |