When the middle inclined cutting is adopted, the coal cutting mode of the fully mechanized working face is .
举一反三
- 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
- When selecting cutting parameters, the first choice should be (). A: cutting speed B: feed C: side cutting D: back cutting
- 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 disadvantages of fully mechanized caving technology? ( ) A: More coal loss B: Fire prone C: Big coal dust D: Gas is easy to accumulate
- Due to its good heat resistance ,when cutting with carbide tools, generally do not add cutting fluid