A.10 B.20 C.40 D.50
A.0.055,0.045 B.0.045,0.04 C.0.05,0.06 D.0.045,0,05
A.等溫加熱 B.等壓加熱 C.既是等溫加熱,也是等壓加熱 D.既不是等溫加熱,也不是等壓加熱