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
A: Selection of fully mechanized support
B: Selection of Shearer
C: Selection of face conveyor
D: Selection of conveyor in gateway
举一反三
- Which is the correct removal sequence of the equipment in the fully mechanized working face? ( ) A: Scraper conveyor, double-drum shearer, retractable belt conveyor, hydraulic support B: Double-drum shearer, retractable belt conveyor, scraper conveyor, hydraulic support C: Double-drum shearer, scraper conveyor, retractable belt conveyor, hydraulic support D: Retractable belt conveyor, double-drum shearer, scraper conveyor, hydraulic support
- When the middle inclined cutting is adopted, the coal cutting mode of the fully mechanized working face is .
- selection
- The basis of selection is ( ).
- 歧化选择（disruptive selection）