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- straight ramp
- strata behaviors
- strata control
- strata movement
- stratified seam sample
- stray current
- stress-concentrated area
- stress-relaxed area
- strike board, strike tree
- strip
- strip inclined drift
- strip main inclined drift
- striping and mining engineering profile, cross-section of stripping work
- stripping
- stripping balance
- stripping ratio
- strong stratum, hard stratum
- structure of coal
- subaeration flotation machine, agitation froth machine
- subbituminous coal
- subcritical extraction
- sublevel
- sublevel caving hydraulic support
- sublevel entry,¡¡longitudinal subdrift
- submaceral
- submersible pump
- subsidence factor
- subsidence factor of dump
- subsidence trough reclamation
- subsidence trough, subsidence basin
- subsidiary level
- substitute natural gas, SNG
- subsystem of [underground] mine dispatching communication
- suction height
- sulfate sulfur
- sulfide sulfur
- sulfur capture agent for briquette
- sulfur capturing ratio of briquette
- sumping
- supercritical extraction
- superimposed stress
- supplementary exploration in coal mine
- support extension ratio
- support rigidity
- support unit, support section
- support with mesh-lying device
- support, timber
- supporting
- supporting efficiency
- supporting intensity