Page 49 - 《金属管》178期电子杂志
P. 49

~ i§fi~(Z

                                                                                 *fz. Et!Jr  Xi an Tian Yi


                                                                                   www.xatianyidianlu. com








             ~~~fZ,.gtp19:~~~~~ff0E.I,  BIJ~t-=J=-2O16$,  *-,~t'$"~J>\~.gtp!§".g1.JMf-\i.9:~~i.9:it !§"'rM@~~f4t5i::i'.i::~o  ff,t,Efi~J>\~~$,  x1ill.>1<
          t,P,  :t?&~t,P,  EgsJ1\tNoffl:kB<tP~i.9:it,  1M@f.R~1*~~m:0:,  x1oo~~;g,E~~*U@~~~;*~U~i.A.1-mm,m,  #§!§"OOILf-...t~:s~;g,E'$"*fmt,E
          i9:~f:Jt@jtij-]1l:f~J;/f~~tn~~*o  :i'.i::~BIJ~&M&~~t;!f~:;19m-fll~Fr~{:lt  "$tltt~,g,E~~.  {ft~~t"5b~iifD~J§~&~"  ~BIJ~I!2o
             ~$*~{Z,.gtp-11l:*!I~  "W5i:$t.@,  ~ii~ff, i.fix{§"a:~,  ~&~IIJ<'.~1"  ~~'gI!2,  i'±ElftBIJ1JrfDi&IIJ<'.fi~$tlttt5i:*~IHtll...t:;;r:::~~1Jr{ft{-tf=5b
          tt~t,  El lltr~fz.gtpm~~*U@,  *.g, ;~$~fi~tm~-~~per~ o #IIJ<'.~1n ~rm~miJrID.~flJ,  ftEJ~f=~ill.>1<t,P,  :t?&~t,P,  m~iri1H1~00§
          itJi.,  #t:e DEP~~OO*o  iJ;;.Lt El lltrffr!J:f:.w...t.8t9:f=f]effl~li~i\'.;.76~ill.>1<t,Pi.9:~ittag,  pfr~&~~t~~fi~{]effl~c58O%~3ol:~,  {[~tff~f=5b{ft~
          ~UIJ700~9rfflF~~~fD{§"ffi'
             0E.lfi~~Nssl,  ~N~~ss.gtf'i.9:~~ffa:i.9:it~~MD!JOI$1J@~::IJ o i'±i.9:iHf a:,  ~f=$1J@ctfi't'~fi,iHlHtJJISO9OO1-2OO8tii;,ft~§®~~J~$1Jf¥
          ffo  I1 c:SitBEmf.R~n!llt-=fSfn*o  @ffl!§"~ffli9:~llc.'i':tf~,  i9:~tJL1.JDL  i!P~,  tOO~~EIXxi,  .gB§~$fsJ o J>\ffoi:iJ{*iiEf=5b~iifDitt~,iHllJ*.g*p
          llc{cJ:~f=ffl!JsJ.l~E,  ~iii:iJ~o
             ff~~;!fz,~;~r,,~~~in:·,  ~fZ,~&~~:JJ4#~)iJ(~~~@TtMIJ,  :3tSa:t~0EJ~A;:;;tf;lt~fDt5i:*{ft~,  ~Jl~3{-\:~*1i'W5i:)JxJJt,  fciJOO~r!J!.wfDOOILf-
          m:t.wmf:lt$tlttt5i:*,  1~¥1J~:*J~~±m~~Fiim~ o































                                                                                                         ...... ,
   44   45   46   47   48   49   50   51   52   53   54