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
内容
- 0
Which of the two cleaning process controls are included by Cleaner Production?() A: control before production B: control after production C: the whole process of production D: the whole process of product cycle
- 1
________ is a type of technology that centers on large-batch production and requires moderate levels of complexity and sophistication. A: Unit production B: Mass production C: Process production D: Service production
- 2
Demand-driven (market-driven) innovation process models include ( ) A: Market demand B: R&D C: Production D: Sales
- 3
SAP divides production into multiple processes such as production planning, manufacturing execution and production for process industries.
- 4
The main limitation of films is A: Instability B: Production with dust flying C: Inapplicability for many administration routes D: Low drug loading capacity