Which of the following belongs to the transportation mode of inclined shaft development method?( )
A: The other three options all meet the requirements
B: Trip
C: Skip and trolley
D: Belt conveyor
A: The other three options all meet the requirements
B: Trip
C: Skip and trolley
D: Belt conveyor
举一反三
- Which of the following are common forms of comprehensive development?( ) A: Development of main inclined shaft-auxiliary vertical shaft B: Development of main shaft-auxiliary inclined shaft C: Main shaft-auxiliary adit D: Multi-shaft areas development
- Which of the following is the ore breaking methods?( ) A: Artificial ore breaking B: Mechanical and hydraulic ore breaking C: Rock drilling and blasting D: The other three options all meet the requirements
- Among the following deep drawing methods, which have a great impact on the original shaft production? ( ) A: Direct extension of shaft B: Direct extension of inclined shaft C: Deepening of concealed shaft D: Deepening of inclined shaft
- Which of the following is not included in the ore transportation method?( ) A: Gravity transportation B: Mechanical transportation C: Drilling transportation D: Hydraulic transportation
- Which of the following is the most often used mode of overseas transportation?