题目： 造成钢包开浇烧眼的原因有那些？ 答案： 参考答案：（1）.水口眼内有大型夹杂物或渣（钢）物。（2）.出钢时合金加入早，造成底部温度低，合金富集也影响烧眼。（3）.出钢后钢水等铸机时间长影响烧眼。（4）.引流剂海沙耐火度低影响烧眼。（5）.大包开浇时只开流影响烧眼
题型：选择题 — I have tried very hard to find a solution to the problem, but in vain. — Why not consult with Frank? You see, _____.A. great minds think alike B. two heads are better than one C. a bird in the hand is worth two in the bush D. it's better to think twice before doing something 查看答案
