The main production links of the open-pit production process include ( ).
A: Ore and rock preparation
B: Mining and loading
C: Transportation
D: Breaking
A: Ore and rock preparation
B: Mining and loading
C: Transportation
D: Breaking
举一反三
- he main production links of open-pit mining production technology include rock preparation, mining and loading, transportation and .
- The front loading machine can be used as the main mining and loading equipment in large open pit mines.
- 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
- The production of Xuan Paper has strict _____ on water quality, material preparation, utensil production and process control.
- 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