The main transport stage refers to the stage in which the ore mined in two or more stages is lifted to the ground.
举一反三
- Which one of the stages is the most pathetic stage?
- Which<br/>of the following stages is not included in the development of<br/>rickets? () A: Initial stage B: Active stage C: Recovery stage D: Sequela stage E: Growth stage
- Which type of endosperm formation includes two stages: free nucleus formation stage and cell formation stage? A: nuclear endosperm B: cellular endosperm C: helobial endosperm D: the above types are all included
- Gravity transportation refers to the method that ore from the working face to the stage transportation level completely depends on gravity sliding.
- In which of the stages of moral development do individuals stick to rules to avoid physical punishment and follow rules only when doing so is in their immediate interest? A: conventional stage B: principled stage C: elevated stage D: preconventional stage