What are the benefits of tilting the layered steps? ( )
A: Easy to separate mining of ore and rock and improve ore quality
B: Convenient for transportation equipment operation
C: Convenient for mining equipment operation
D: Ease of layering
A: Easy to separate mining of ore and rock and improve ore quality
B: Convenient for transportation equipment operation
C: Convenient for mining equipment operation
D: Ease of layering
举一反三
- The main production links of the open-pit production process include ( ). A: Ore and rock preparation B: Mining and loading C: Transportation D: Breaking
- he main production links of open-pit mining production technology include rock preparation, mining and loading, transportation and .
- What are the advantages of adit development? It is widely used in some mining areas with mountains and hills in China.( ) A: The system is simple and convenient for construction B: The system is complex, but the construction is convenient C: The construction is difficult, but the system is simple D: The construction is convenient and adaptable
- What are the technical factors to be considered in mining methods? ( ) A: Equipment level B: Technology method C: Strata control D: Cost per ton of coal
- According to the relative position of the transportation equipment, the excavator operation mode can be divided into flat loading vehicle, loading vehicle and joint loading four kinds.