【多选题】特殊性能钢是指具有特殊物理、化学性能的钢,下列属于特殊性能钢的有
【简答题】Carol fussed ________ her dress and hairstyle before she left for the evening party, but her husband couldn’t bear any more and shouted, “Why are you always so nervous?”
【判断题】不锈钢、耐热钢、耐磨钢属于合金钢中的特殊性能钢。
【判断题】耐热钢不属于特殊性能钢A. 对 B. 错