In the strip district, which belongs to the entry? ( )
A: Work face haulage gateway
B: Work face air return gateway
C: Open-off cut
D: Winches
A: Work face haulage gateway
B: Work face air return gateway
C: Open-off cut
D: Winches
举一反三
- Which of the following types of work are all types of work in the fully mechanized working face? ( ) A: Specialized work B: Comprehensive type of work C: Professional and comprehensive work D: None of these items
- What are the main selection of equipment in the fully mechanized working face? ( ) A: Selection of fully mechanized support B: Selection of Shearer C: Selection of face conveyor D: Selection of conveyor in gateway
- 1.origin2.oval3.outset4.launch5.quit6.presumably7.prevail8.naked9.negative10.neglectWithan face almost anyhairstylemay work foryou.
- In the flipped classroom the students should ( ). A: first face to new material inside of class B: first face to new material outside of class C: do the easer work in classroom D: do the harder work in classroom
- The professional work type generally works within the whole working face length.