煤矿机电设备中变频节能技术的应用分析.pdf
“ABCDEFGHIJ KL“MN9OPQRSTUVWXYZ Y STP-[\] .[_‘a[b cKLPdefg“hijkUVlmnW opP-qr9 stuv-.wxytz1{|} 4}zP-’fg /0,fg“uv-.P-1J R*VZY “hiUVZY9 Z6Ux 6b⁄ ƒb“ 96‹m›fi fl –fl †m›fi rA‡Z – rAm›fi † ‚’„X ”’ cJk‰Z6z rˆ˜z˘˙Z;˚‚‘˝˛ ˇ9‹ ‚q˝ 6OP9 OPZ gWm›fi ˆ˜ *Gf7 89 r Z 69 6 9 VR-.Ux “ VX r˛4{|} }z ; ˛4}“P- AUxBC*“DEP--.F/Gr9 OPZ678HI;gJ tQ “UKL9 Z6VR-.Ux Mn 678QR stQRST[\uv-.U x9P--./k78UVXYZY “*ZMwx9 S1Z XTPUM;ABCD’* , “ uvdtMwxkr “‘‘klmn“ ‘o.,-.,45,-. ’ ABC;DEF AGHIJ KL;DEF MNO qTU [\BCe;rs jktuB CnLvw hix*yz’{m“456 ABC4567DEFGHIJKLMNOP45QRSTUBAVW“45XYZ[ \]“_“-‘ab45Z [Acd.eXYABfdghAB“ijhk A9BC;* LHALILop bLrIJJK SL MNOMPQQLRSTUVy B‘WD* XYZS*3[\*” ]BCC_ ˘0 A9‘BC_;ab/ A9‘7lBC_;rxc_dL ;e˝˚RSfHgh e92i0 A9‘jcBCj_klmxnor/ Z‡ALoP˚ 3‡‡0 A}cBC_;h e 2b3[‡Z‡ ;qrWDF˚‡X0 BC;BC;q”lrm0;q ;ZV;7lV