What are the advantages of ramp development method?( )
A: It is less affected by terrain, industrial site and other conditions
B: Early commissioning
C: Convenient, flexible, less links
D: Excavation, mining, loading, transportation, unloading comprehensive mechanization, high efficiency, low cost
E: Save a lot of steel
A: It is less affected by terrain, industrial site and other conditions
B: Early commissioning
C: Convenient, flexible, less links
D: Excavation, mining, loading, transportation, unloading comprehensive mechanization, high efficiency, low cost
E: Save a lot of steel
举一反三
- he main production links of open-pit mining production technology include rock preparation, mining and loading, transportation and .
- What are the advantages of shopping on line? A: convenient B: save time C: at a low price D: All above
- What are the advantages of floating nuclear power plants? A: Rapid deployment, flexible and flexible B: SMR of low fraud, flexible use C: Intelligent autonomous control technology D: High security, high reliability
- What are the disadvantages of ramp development method?( ) A: Large amount of development work B: Trackless equipment has large initial investment, heavy maintenance workload and high technical level requirements C: The development depth is restricted by driving technology and economic factors D: No steel is required
- The main production links of the open-pit production process include ( ). A: Ore and rock preparation B: Mining and loading C: Transportation D: Breaking