PPT urgent need for environmental protection, coupled with the types of files .. EXCEL types of environmental data files

PPT urgent need for environmental protection, coupled with the types of files ..EXCEL types of environmental data files

/ upimages / upkejian / zxgeography / zdhjbh.ppt

/ s? wd =% BB% B7% BE% B3% B1% A3% BB% A4PPT
/ s? ie = gb2312 & bs =% BB% B7% BE% B3% B1% A3% BB % A4PPT & sr = & z = & cl = 3 & f = 8 & wd =% BB% B7% BE% B3% B1% A3% BB% A4EXCEL & ct = 0