单项选择题
A.铝硼比越高,门尼越高 B.铝硼比越低,门尼越高 C.门尼与铝硼比无关 D.铝硼比越高,门尼越低
A.5~10% B.7~10% C.6~11% D.8~10%
A.大于0.2g/100g B.小于0.2g/100g C.等于0.2g/100g D.小于等于0.2g/100g