The Excavating Machine and Operator have potential to harm workers in excavation, nearby vehicle traffic, or assets.
挖掘机械和操作人员可能伤及在开挖区域内的、临近车辆的工人或破坏资产。
2
Key directions: first, crawling, the key box excavation at the leak, cloaked in bright lights atop the machine according to the police box will be the key thrown away soil.
第一关：方向键爬，空格键挖掘，等到放风时间，趁着机器警察头顶灯不亮时按空格键将土扔掉。
3
The sequence of excavation for the shaft of diversion system at Pushihe storage power station is to excavate the pioneer well used by back well boring machine, then by hand air drill to expand it.