A .3:1(体积比)或1:1(重量比)
B .3:1(体积比)或2:1(重量比)
C .4:1(体积比)或2:1(重量比)
D .5:3(体积比)或2:1(重量比)
E .2:1(体积比)或1:1(重量比)