grads中如何同时打开两个ctl在一页虚拟纸上绘制多图？

Soaring

dset C:\Users\yxk\Desktop\zuoye\dac\vertical\T-vertical-juping.grd
title Monthly mean air temperature NCEP Reanalysis
undef -9.99e+33
xdef 1 linear 0 1
ydef 1 linear 0 1
zdef 12 levels 1000 925 850 700 600 500 400 300 250 200 150 100
tdef 1 linear 00Z01DEC1979 12mo
vars 1
tm  12  t,y,x wind speed
endvars


dset C:\Users\yxk\Desktop\zuoye\dac\vertical\UV-vertical-juping.grd
title Monthly mean air temperature NCEP Reanalysis
undef -9.99e+33
xdef 1 linear 0 1
ydef 1 linear 0 1
zdef 12 levels 1000 925 850 750 700 600 500 400 300 200 150 100
tdef 1 linear 00Z01DEC1979 12mo
vars 1
w  12  t,y,x wind speed
endvars


这两个ctl都能分别绘制两张图，但是为了把这两张图放在一页纸上，编辑了下面的gs，然后就出现错误了，请问大神们如何纠正下面的gs


'reinit'
'open C:\Users\yxk\Desktop\zuoye\dac\vertical\UV-vertical-juping.ctl'
'open C:\Users\yxk\Desktop\zuoye\dac\vertical\T-vertical-juping.ctl'
'enable print C:\Users\yxk\Desktop\zuoye\dac\vertical\vertical-juping.gmf'
'set grads off'
'set grid off'
'set parea 1 5 1 7.5'
'set xlevs -1.50 -1.00 -0.50 0 0.50'
'd w'
'set parea 6 10 1 7.5'
'set xlevs -1.50 -1.00 -0.50 0 0.50'
'd tm'
'print'
'disable fwrite'
'printim C:\Users\yxk\Desktop\zuoye\dac\vertical\vertical-juping.png white'
;