Which of the following is not included in the ore transportation method?( )
A: Gravity transportation
B: Mechanical transportation
C: Drilling transportation
D: Hydraulic transportation
A: Gravity transportation
B: Mechanical transportation
C: Drilling transportation
D: Hydraulic transportation
举一反三
- Gravity transportation refers to the method that ore from the working face to the stage transportation level completely depends on gravity sliding.
- Which of the following modes of transportation is most suitable for natural gas transportation? A: Road transportation B: Air transportation C: Railway transportation D: Pipeline transportation
- Which of the following transportation methods has the lowest cost in long-distance transportation? A: Railway transportation B: Maritime transportation C: Air transportation D: Road transportation
- Among the five modes of transportation, which one is the fastest? A: Road transportation B: Air transportation C: Railway transportation D: Pipeline transportation
- Among the following modes of transportation, ( ) is the earliest mode of transportation used by human beings, but it still plays an important role in the modern transportation system. A: Railway transportation B: Water transportation C: Road transportation D: Pipeline transportation