A.鋁硼比越高,門尼越高 B.鋁硼比越低,門尼越高 C.門尼與鋁硼比無(wú)關(guān) D.鋁硼比越高,門尼越低
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