.condensate-boil-formula{width:132px; height:87px ;}
.condensate-boil-problem{width:141px; height:144px ;}
.heat-formula{width:210px; height:108px ;}
.condensate-boil-problem2{width:145px; height:205px ;}
.condensate-boil-problem3{width:197px; height:247px ;}