|
31. | complete set of hydraulic excavator |
| 水力挖掘机组 |
|
|
| |
32. | excavating gear |
| 挖掘装置 |
|
|
| |
33. | excavation bottom |
| 挖掘基底 |
|
|
| |
34. | bench excavation |
| 台阶式挖掘 |
|
|
| |
35. | footing excavation |
| 基础挖掘 |
|
|
| |
36. | belled excavation |
| 钟形挖掘 |
|
|
| |
37. | tap production potential |
| 挖掘生产潜力 |
|
|
| |
38. | braced excavation |
| 支撑式挖掘 |
|
|
| |
39. | Excavate an archaeological site. |
| 挖掘考古现场 |
|
|
| |
40. | continuous bucket dredge |
| 多斗挖掘船 |
|
|
| |