The basis of selection 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
- The volatile content of () is used as the classification basis for power coal. A: as received basis B: air drying basis C: dry basis D: dry and ash free basis
- selection
- "Support" generally means work to fix bugs ________ , generally for more urgent and breaking bugs. A: on a scheduled basis B: on a regular basis C: on an ad hoc basis D: on a routine basis
- 歧化选择（disruptive selection）