单项选择题
A.失去流动性 B.杂质多少 C.发热量高低 D.挥发分高低
A.0.25%~0.6% B.2.11%~6.69% C.0.6%~1.3% D.1.3%~2.11%
A.1.180 B.1.280 C.1.380 D.13.0