采矿工程毕业设计（论文）-董家堡矿新井设计.pdf

!"#$%&' ()*+,-./012345 3 6 789:;<,- =>?@ :+'A E+FG H:08-1 ' I J K L M 2012N 3O !"#$%$!&'()*+, !"#"$ %&'()*+,-./#"$ 01123"456789:;<"=>? ******@ABC)*"DEFGH8IJ? 031<KFLMN8OP"QRDSFTU? 041VWXYZ[F\]^2X_"`aab8cd"e<fg? 051VW<hQiGe<jk"lm? 061nopqrstu867lm? 071no*vwx7lmy z{|}~153893706 !" !: '()*l9:F"8#$;<"\]=>~[\]%&"'5X_~%&()8 XK~*BC+h,-./0z1"2323~45\]6<"78~%&XKl9:` ;<=">?***@A~B'()*CDQREFyGH~'()*[IJ$<KL"MRN OP~[*IJ;<KL4567lm"QR~[VWIJST67;<=>8rl"U +-.~*VVWIJW0PXY!8Z[Y!"QU+" !~[S\$<<K&L" ]I^_"`8no<ayb"Xcd845d[efKL;7lgh"~i&'()* *z1noIJ"jklQmPU+" !y jknu$ oPpBqrs13tuvBw~xyz{|}~B?q!sF 1FF 2FF 3"#B wx$z~B?rF$F!%s~#M&'()wvBwy oPpBB*+%,-./yoPpB012335km~0yz4515kmyB*67 8E9F123:$;p<=~$;p<=$:6>20kmx?***@vAyB7Q203O CDBCq!O%&y '(~#BE#~$1F~#$ 2F~#$ ~#G0$18m -!./01!234%5 .P1C,-QRSTU H'()*&LI+JKLMN8|}EOPQ$ 1Fpq'()*LMNRS?LMNIJTU$V1~WX~IYtZ+~#[~ \t~Ht]^EF_(`tay 2F|}OPTU$BCbcdCef|8(*dCef|_g|hy .V1C,-QWX 1FHiZB*2j8Ck_elm"nkop"Aj.~qrCk"sw8~#" tuAjvw*vCk"xy? 2Fz{;+)*"BC"|,y8;iZ"B*~#tu2j}*vBC"~Q| _R`a!g? 3FBC"bc23")*~eITUC"#$_C"%f"&'Fb((z")*F (*)P_b(*+Fb((zx,b(zC-./#$" 0Fbc2341h? 4FH)Pi"(*23456(7dCef~z{)*(*")*(*"nk2j _B#op~&'(*#$F(*"8#F%f_79~(**a")PF* azd"efD$F#G:P#G"^2D$~(*./_;<~(723F%b23F 6=230B>FFh1F5?@(23_AB23h~CQ(*"b(*+~(*dC "1DEFFGD$F(*7H`Ly~(*"dCI5JF(*,(J? 5FK{)*#"B#tunuFB#'L_MNAj56(BDE" 0~`a1 Og"&'~PBwQ" 0_,(`RD$"&'~S-D$" 0_S-|T"p!? UVW[&'/C`X_b}*)? 6FBC%bF6=F@({$23"lT)*