Comprehensive release of the work surface (coal mining machine falling coal, coal loading) , can bend the scraper conveyor , shun-slot re-transmission machine , shun-slot crusher , shun-slot retractable tape machine , 9 coal tape main alley conveyor , 9 coal centralized tape lane conveyor , well bottom coal warehouse (downto coal machine) , main oblique well tape conveyor , ground production system.<br><br>2, auxiliary transport system<br>Coal No. 9: Sub-Slope Wells, No. 9 Coal Concentrated Track Lane, No.9 Coal Track Lane, Back-picking Work Surface Back-Wind-Shun-Slot- Back-picking Work Surface<br>3, ventilation system<br>Main slope well (deputy slope well, monkey car slope well) , 9 coal concentrated track lane (9 coal concentrated tape lane) , 9 coal track alley (9 coal tape alley) , work surface transport smooth groove , back-picking work surface , work surface back wind down the groove , 9 coal back wind alley , 9 coal concentrated back wind lane , back wind well , ground<br>4, drainage system<br>Back-mining work surface shun groove , No. 9 coal tape alley , 9 coal centralized tape lane , well bottom water silo , sub-slope well , sub-slope well drainage line , ground underground water treatment station
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